[必備]英語演講稿帶翻譯12篇
演講稿具有觀點鮮明,內容具有鼓動性的特點。在現在的社會生活中,演講稿的使用頻率越來越高,在寫之前,可以先參考范文,下面是小編幫大家整理的[必備]英語演講稿帶翻譯,供大家參考借鑒,希望可以幫助到有需要的朋友。
英語演講稿帶翻譯 1
Most people would like to be popular with others,but not everyone can achieve this goal. What is the secret to popularity? In fact,it is very simple. The first step is to improve our appearance. We should always make sure that we stay in good shape and dress well. When we are healthy and well-groomed,we will not only look better but also feel better. In addition,we should smile and appear friendly. After all,our facial expression is an important part of our appearance. If we can do this,people will be attracted to our good looks and impressed by our confidence.
Another important step is developing more consideration for others. We should always put others first and place their interests before our own. Its also important to be good listeners; in this way people will feel comfortable enough to confide in us. However,no matter what we do,we must not gossip. Above all,we must remember to be ourselves,not phonies. Only by being sincere and respectful of others can we earn their respect. If we can do all of the above,I am sure popularity will come our way.
如何才能受人歡迎
大部分的人都想受人歡迎,但是并非每個人都能達到目標。受歡迎的秘訣何在?事實上是很簡單的。步驟一,先改善我們的外表。我們得確保自己很健康,并且穿著體面。當我們既健康又穿戴整齊時,不僅看起來更有精神,自己也會覺得好多了。此外,我們要保持微笑并表現得很友善。畢竟,臉部表情是外觀很重要的一環。如果我們能做到這一點,別人會被我們的美好外表所吸引,并對我們的自信印象深刻。
另一個重要步驟,就是培養對別人的體貼。永遠以他人為重,并把別人的利益放在自己的利益之前。當個好聽眾也是很重要的`;如此一來,別人才能很自在地對我們吐露心事。然而,不管我們做什么事,絕對不要說閑言閑語。最重要的是,要做自己,不要當虛偽的人。只有對人真誠又尊重時,才能贏得他人的尊敬。如果我們能做到以上幾點,我相信受人歡迎是指日可待的事。
英語演講稿帶翻譯 2
My Attitude towards to Marks我的分數觀
For our students,marks is above everything. Teachers will judge us from our marks. With marks we can be enrolled into junior middle schools. With marks,we can be enrolled into senior middle schools. With marks we can be enrolled into college. With marks we can be enrolled into postgraduate and doctrine studies. Still with marks we can be graded and be allowed to go abroad for further studies. Our parents will be strict with us with the marks. Our society judge us from marks. However,sometimes we students compare one another with marks directly. We are completely controlled by marks. We like them and we feel sorry for them. But what attitude towards our marks should we take? Truly,marks functions cannot be underestimated. In terms of test in our study,marks are fair and real. That is the reason why we say Everyone is equal before marks.
However,I think marks are the sole standard to judge the success or failure of students in exams. Sometimes,marks more than ten or less than one or two in our exams comparing with others mean not everything. The success or failure in exams will be influenced by experience on the spot and the examinee’s health etc. Once in a while one cannot fail in exams. Success or failure is common sense for military. I think everyone is familiar with the famous saying. Don’t you think such will be the case with our study? In exams,one cannot be never-defeated general . Even though one will be very good in everyday study,he cannot succeed in every exam sometimes. We can get proof from the fact that the very best one we call Number One Scholar in the entrance exams for college and ordinary middle school and specialized secondary school over the years is not eminent above all others nor top student in every study.
As a matter of fact,high marks and ability are not unified. Some time
ago,a new phrase high marks but poor competence came into being. Once I happened to meet such a teacher as this .It is said that the teacher just graduated from a far-famed key university. But his teaching result is much less than that of the one who just graduated from a not-well-renowned college. When lecturing,the teacher only repeated what the text-books says,which was very dull so the his students’ interest in learning was not aroused. His teaching was short of unity of teaching and learning. At present there is a fact that we know a few brilliant and top college graduates are not qualified for their posts. The reason for it may be lack of the ability to combine knowledge learnt from books with pragmatics in their work. Students of this kind will be successful in every exam but they will be able to use freely their knowledge in their posts. Don’t you think it waste training such persons for the country?
To sum up from the above,I can say marks are not absolutely authoritative for some. If we neglect training and developing the students’ ability and competence and if we only seek for the high marks,we will be absolutely wrong. We should take an objective attitude towards the marks. Neither should we neglect them nor should we overvalue them like a God.
分數,對于我們學生來說,是至關重要的了。老師要用分數來衡量我們—上初中,要分數;上高中,要分數;上大學要分數,考研究生、博士要分數,出國、評職稱還是要分數。家長要用分數來要求我們;社會用分數來衡量我們。
而我們自己也常常用分數在相互直接做著攀比。我們完全為分數所左右了,我們為它歡喜,我們為它喪氣。那么,我們應該怎樣對待分數呢?
的確,分數有它不可低估的作用。從檢驗學習的角度上來說,它具有一定的公平性和真實性,“分數面前人人平等”,講的就是這個道理。然而,分數并不是估量一個學生成敗得失的惟一標準?荚嚦煽兣紶柕土艘粌煞帜酥潦畞矸,并不一定說明什么問題。考試的成敗有時也會受到諸如臨場經驗、健康狀況等方面的影響。“勝敗乃是兵家常事”這句話大概不會有人不知道,而我們在學習上又何嘗不如此?在考試上很少有“常勝之師”,即使平時成績再好的同學,也難免會有偶爾的.失誤。歷屆中考、高考“狀元”并非就是平時出類拔萃的優等生的事實,便是明證。
事實上,“高分”與“能力”往往是不統一的。前段時間,社會上出現了一個新詞:“高分低能”。筆者就曾經碰見這樣一位教師,據說他畢業于某赫赫有名的重點大學,但從教學效果上講,卻遠遠遜色于一些非高等學府畢業的老師。其授課只是照本宣讀而已,枯燥乏味,缺乏一種教與學之間的協調功能。根本不能引起聽課同學的興趣,目前不少大中專院校的高材生畢業后不能勝任他們的工作,原因就在于缺少將書本中的知識運用到實際工作中去的能力。這種人,盡管在學校中每每能考出高分,可無法在工作崗位上靈活白如地運用自己所學到的
知識。國家培養出這樣的“人材”,不也是一種浪費嗎?
由此可見,分數并不如有些人想象得那么絕對和,忽視了對各方面才能的培養,只一味追求高分,是不行的。因此,我們應該客觀地去看待分數,既不應過分輕視它,也沒有必要把它看得過于神圣。
英語演講稿帶翻譯 3
In Other Ways
其他開場方式欣賞
Today I come to Oslo as a trustee,inspired and with renewed dedication to humanity; I accept this prize on behalf of all men who loved peace and brotherhood. I say I come as a trustee,for in the depths of my heart I am aware that this prize is much more than an honor to me personally.
今天,我以受托人的身份來到奧斯陸,心情激動,充滿了獻身人類的新勇氣。我代表所有熱愛和平與兄弟情誼的人們接受這個獎。我之所以以受托人的身份來到這里,是因為,在我的內心深處,我意識到這個獎決不僅僅是我個人的榮譽。
The road of history is not level and smooth all along. Sometimes the path will come to a dangerous and difficult place.
It is only with the valiant and gallant spirit of the travelers that it can be passed through.
The vast and mighty Yangtzi River,when it comes to an endless,broad plain,will flow ten thousand miles in a rapid current. But as it reaches a narrow valley with high ranges of mountains,cliffs and precipices on both sides,which look dangerously steep,the river has to force its way through them in a winding,tortuous course. The same is the case with the developing course of a nations history.
The history of human race is like going on a journey. Some of the places the traveler passes through are smooth and level pianos,and others are dangerous and rugged paths. The experienced travelers,when they moved on to a broad,level road,will naturally walk along with a light heart,but while they are passing through a rugged place they will all the more be seized with curiosity,and in such an extremely fantastic and magnificent realm,will all the more feel a sort of pleasure in an adventure.
歷史的道路,不總是平坦的,有時會變得艱難險阻。這只能靠英勇無畏的`精神才能夠沖過去。
一條浩浩蕩蕩的長江大河,有時流到很寬闊的境界,一望無際,一瀉千里。有時流到很逼狹的境界,兩岸叢山疊嶺,絕壁斷崖,江河流于其間,曲折迂回,極為險峻。民族生命的進展,其歷程亦復如是。
人類在歷的生活正如旅行一樣。旅途上的征人所經過的地方有時是坦蕩平原,有時是崎嶇險路。老于旅途的人,走到平坦的地方固是高高興興地向前走,走到崎嶇的境界,愈是奇趣橫生,覺得在此奇艷壯絕的境界,愈能感得一種冒險的美趣。
英語演講稿帶翻譯 4
dumpling is a traditional chinese food. On the lunar new year s day most families make a lot of delicious dumplings. To make them follow this easy process.
餃子是中國的傳統食物。在農歷新年,大多數家庭都會包很多美味的餃子。要包成餃子,遵循以下那容易的步驟。
The first step is to mix the flour with water. when the dough is ready we can begin to make dumpling wrappers. we use a rolling pole to roll the dough into small thin and round pieces so that they will be easy to cook. when the wrappers are done it s time to prepare the filling. Usually we use meat such as beef or mutton and some vegetables such as cabbage or carrots for filling.You may actually choose whatever you like to put into it. we must chop those things into small pieces.Then put some salt oil and other condiments into it and stir it evenly. When all these preparations are done we can start making dumplings. First put a spoonful of filling in the center of the wrapper. Then stick the two opposite sides together and then the rest. Don t just cover the filling with the wrappers. The best shape of dumplings is that of a ship because when they are boiling in the pan they look like ships sailing in the sea. The smell can make your mouth water.
x步就是把面粉和水和在一起。和好面之后,我們可以開始搟皮。我們使用一個滾動桿,把它揉成又薄又小的圓形面皮,這樣會比較容易煮。皮弄完后,就是弄餡的時候了。通常我們用肉(比如牛肉和羊肉)還有蔬菜(比如白菜和胡蘿卜)作餡。你可能選擇任何你喜歡的餡包進去。我們必須把這些東西剁小。然后放上鹽,油和其他調料攪拌它均勻。當所有這些準備工作都完成了我們就可以開始包餃子了。首先放一勺餡在皮的中心。然后把兩個相反的兩邊粘在一起,然后就是其他的'了。不只是只是把餡包在皮里面。餃子x好看的形狀是像一艘船,因為當它們在鍋里煮時,他們看起來就像是大海里的船只。它們的香味會讓你流口水。
英語演講稿帶翻譯 5
A Chief Executive officer is not necessarily someone who has had a lot offormal training.So, I doubt moreschooling would help you climb up that ladder ofsuccess.
Maybe you should try and change your work habits or character. You
cannotjust sit around in an organization waiting for people to promote you. You haveto let people know you are ambitious and waiting for biggerand more rewardingchallenges. You should tell your supervisor or boss that you want to be promotedand rise up that management ladder. A good manager will accept, even respect thefact that you wish for career development. If this is not the case, you shouldfind a new job or new company that will allow you to grow.
You must start out small. Hoping that one day you will suddenly
becomedirector of a company is doubtful. Getting ready for a slow ascent is morelikely. Accept it, and commit yourself, realizing that it may be alongclimb.
You will need some skills to propel you up that ladder of success.You mustbe competent, that is you need to develop skills in many areas, such asmarketing, human resources, public relations and finances.
You must also be a good people person, always cultivating relationshipswith the people around you.Having “guanxi” is a necessary characteristic of anysuccessful CEO.
公司的首席執行官未必都是經過許多正規培訓的人。所以,我認為接受更多的學校教育未必就能促使你在成功的階梯上步步高升。
也許,你應該試著改變工作習慣或性格。不能僅僅在一個單位里坐等別人來提升你。必須讓人們知道你胸懷大志,正在等待更大的、回報更多的挑戰。應該告訴你的上司或老板:你想得到提拔,登上管理者的階層。一位好經理將會理解,甚重你發展~業的愿望。假如情況不是這樣的話,你就應該另謀{就,以使自己得到發展。
必須從小處開始做起;孟胫幸惶焱蝗划斏夏彻镜念I導是不太現實的.。作好準備慢慢地升遷,可能性更大。接受現實,全力以赴,要意識到這可能是一種漫長的攀登。
你需要掌握一些促使自己往上爬升的技能。你必須具備勝任工作的各種能力。換句話說,你必須具備諸如市場營銷、人力資源、公關和財務等方面的技能。
你也必須要有良好的人緣,營造與周圍的人黻洽的關系,好的"關系"是任何一位成功的首席執行官必備的要素。
英語演講稿帶翻譯 6
Hello, everyone. It is a great honor for me to be here to express my feelings.
My friends, it is time for us to say goodbye. However, I will never forget the golden days of junior high school. They are forever locked in my memories! In the past three years, I am grateful that I could study with you.
First of all, I’d like to thank all my teachers. It’s you that let me konw how to be a good person. From you, I know that as a good student, we should not only study hard, but also mean well and help each other. Then, I’d like show my appreciation to all my friends. I am grateful that I could study with you. Being together with you, I can totally be myself. I do not need to hide anything from you. When I am sad, you are always on my side to cheer me up.
We will soon become senior high school students. We must go forward, to a different world, we are no longer the children, who only want to play fun with each other. We grow up from now on! It is a long journey, but let us begin!
你好,每個人。我很榮幸在這里表達自己的感情。
我的朋友們,這是我們說再見的時間。然而,我將永遠不會忘記初中黃金時代。他們永遠鎖在我的記憶中!在過去的三年中,我很感激我能和你們一起學習。
首先,我想感謝我所有的老師。是你們,讓我知道如何成為一個好人。從你們那,我知道作為一個好學生,我們不僅應該努力學習,也要互相幫助。然后,我想對我所有的`朋友們表示衷心的感謝。我很感激我能和你一起學習。和你在一起,我完全可以做我自己。我不需要你隱瞞任何事情。當我傷心的時候,你總是在我身邊使我振作。
我們將很快成為高中生。我們必須前進,在不同的世界里,我們不再是孩子,只想和對方快樂地玩的孩子。我們長大了,從現在開始!這是一個漫長的旅程,但讓我們開始吧!
英語演講稿帶翻譯 7
世界是我們的,未來是我們的
Someone said “we are reading the first verse of the first chapter of a book,whose pages are infinite”. I don’t know who wrote these words,but I’ve always liked them as a reminder that the future can be anything we want it to be. We are all in the position of the farmers. If we plant a good seed,we reap a good harvest. If we plant nothing at all,we harvest nothing at all.
一些人說“我們正在讀一本無窮的書中的第一章的第一節.”我不知道誰寫了這些話,但是我一直很喜歡它,因為它提醒了我,我們能夠創造我們想要的未來.
We are young. “How to spend the youth?” It is a meaningful question. To answer it,first I have to ask “what do you understand by the word youth?” Youth is not a time of life,it’s a state of mind. It’s not a matter of rosy cheeks,red lips or supple knees. It’s the matter of the will. It’s the freshness of the deep spring of life.
我們都是農夫.如果我們播下好的種子,我們將會豐收.如果我們的種子很差,有很多草籽,收割的將是無用的莊稼.如果我們什么也不播種,什么收獲也沒有.
Youth means a temperamental predominance of courage over timidity of the appetite,for adventure over the love of ease. This often exists in a man of 60 more than a boy of 20 . Nobody grows old merely by a number of years . We grow old by deserting our ideals. Years wrinkle the skin,but to give up enthusiasm wrinkles the soul . Worry,fear,self –distrust bows the heart and turns the spirit back to dust .
我們是年輕的“怎樣度過青春?”這是個有意義的問題.為了去回答它,我首先要問“從‘青春’這個詞中你能理解到什么?”青春不是人生的一個時期,而是精神的一種狀態.青春不是桃面、丹唇、柔膝,而是深沉的意志,.青春是生命的深泉在涌流.
Whether 60 of 16,there is in every human being ‘s heart the lure of wonders,the unfailing childlike appetite of what’s next and the joy of the game of living . In the center of your heart and my heart there’s a wireless station:so long as it receives messages of beauty,hope,cheer,courage and power from men and from the infinite,so long as you are young .
A poet said “To see a world in a grain of sand,and a heaven in a wild flower,hold infinity in the palm of your hand,and eternity in an hour. Several days ago,I had a chance to listen to a lecture. I learnt a lot there. I’d like to share it with all of you. Let’s show our right palms. We can see three lines that show how our love.career and life is. I have a short line of life. What about yours?I wondered whether we could see our future in this way. Well,let’s make a fist. Where is our future?Where is our love,career,and life?Tell me.Yeah,it is in our hands. It is held in ourselves.
一位詩人說“從一粒沙看世界,從一朵花看天堂,把無限放在你的手掌,永恒在一剎那里收藏”.幾天前,我有了一個聽講座的機會,從中我學到了很多東西.現在,我想把這些與大家共享.讓我們伸出右手,我們可以看到手掌中的展示我們的愛,事業和生活的三條線.我在生活方面這條線很短,那你們的呢?我想知道我們是否可以用這種辦法去看我們的.未來.好的,讓我們一起握拳.我們的未來在哪兒?我們的愛、事業和生活在哪兒?告訴我!是的,它們就在我們的手中.它們被我們自己掌握著.
We all want the future to be better than the past. But the future can go better itself. Don’t cry because it is over,smile because it happened. From the past,we’ve learnt that the life is tough,but we are tougher. We’ve learnt that we can’t choose how we feel,but we can choose what about it. Failure doesn’t mean you don’t have it,it does mean you should do it in a different way. Failure doesn’t mean you should give up,it does mean you must try harder.
我們所有人都希望未來能比過去更美好,但是未來能自己變得更好.不要因為結束而哭泣,微笑吧,為你的曾經擁有.從過去來看,生活是艱苦的,但我們是更堅強.我們知道我們不能選擇感覺,但是我們能選擇和它相關的東西.失敗并不意味著你不擁有成功,它只意味著你應該用另一種方式去做這件事.失敗并不意味著你應該放棄,只意味著你應該更加努力.
As what I said at the beginning,“we are reading the first verse of the first chapter of a book,whose pages are infinite”. The past has gone. Nothing we do will change it. But the future is in front of us. Believe that what we give to the world,the world will give to us. And from today on,let’s be the owners of ourselves,and speak out “We are the world,we are the future.”
正如我在前面所說的“我們正在讀一本無窮的書中的第一章的第一節.”過去的已經過去,無論我們無力改變,但是未來卻在我們前方.相信“我們給了世界什么,世界也將給我們”.并且從今天起,讓我們一起做我們自己的主人,一起大聲說出“世界是我們的,未來是我們的”
英語演講稿帶翻譯 8
with the development of science and technology, change has penetrated into every aspect of our daily life. to illustrate that, id like to make a comparison of these two seemingly insignificant things: milkman and mailman, whose differences indicate our changing way of living with the times.
home milk delivery has almost gone extinct in china now, also gone with it are the milkmen, who once delivered bottled fresh milk door-to-door. on the other hand, mailmans business or the courier service has thrived as online shopping gains popularity. however, in retrospect, i find something has been lost in this transition, something shakespeare called as “the milk of human kindness”。
when i was a kid, milk wasnt for sale everywhere. for the families who need it, they depended on the milkmen to take it from the local dairy farms to their houses. in our neighborhood, there was such a milkman, whose arrival was much anticipated by the children and always brought us laughter and joy. he knew the name of every kid and could easily see through our tricks. if we didnt behave, he would side with our parents and threaten to rob us of the nutritious drink. the entire neighborhood was acquainted with him; saw him as a member of the community just like the many residents or street vendors. there was a bond between all of us for it was not only the commodities that been transacted, but also a sense of caring and dependability. and that small box fixed onto our door, other than being a drop-off point for milk; it was a communication junction between the people as we took the initiative to reach out to others.
fast forward to today, milk is ubiquitous with no dedicated delivery system. but the convenience level of our live has gone up a notch. almost everything is for sale online, which spares us all the travelling and talking. with a few ready clicks, shopping is done. the rest is left for those speed delivery companies. usually its a grumpy mailman, who reaches us through cell phone, urging everyone to pick up their parcels as soon as possible. and the minute the receipt is signed, we rush back to unpack while the courier dashes to the next destination. there is barely a conversation carried out, nor do we feel the need to talk to such a stranger, who changes from time to time frequently. it seems that people are always in a hurry now, though we have more conveniences, still we run short of time to stop and stare, to speak and share.
call me an old-timer, but i think the personal touch represented by the milkman is what has been missing in the modern society. william wordsworth once wrote that “getting and spending, we lay waste our powers.” modern technology may have multiplied our possessions or gave us more conveniences, but we run the risk of reducing our values if we lay waste our power of interpersonal relationships.
隨著科學技術的發展,變化已經滲透到我們日常生活的方方面面。要說明的是,我想讓這兩個看似不起眼的東西比較:牛奶,郵遞員,其差異表明我們與時代生活方式的改變。
家里的牛奶幾乎已經滅絕,現在在中國,它也消失了的送奶工,曾送瓶裝草原鮮奶送貨上門。另一方面,郵遞員的業務或快遞服務的蓬勃發展,網上購物的普及。然而,回想起來,我發現在這一轉變中,有了一些東西,莎士比亞稱之為“人類之奶”。
當我還是個孩子的時候,牛奶不是到處都賣。對于那些有需要的家庭來說,他們只能依靠送奶工把它從當地的乳品農場房子。在我們的附近,有這樣一個送牛奶的人,他們的到來,是孩子們期待已久的,總是給我們帶來笑聲和歡樂。他知道每一個孩子的名字,可以很容易地通過我們的把戲。如果我們不守規矩,他會和我們的父母一起威脅要搶我們的營養飲料。整個社區都與他熟識,他認為他是社會上的一員,就像許多居民和街頭小販一樣。有一個我們之間的.結合不僅是被交易的商品,也有關心和信任。和那個小盒子固定在我們的門,而不是一個下降點牛奶,它是一個溝通的人之間的交界處,我們采取了主動接觸其他人。
快速前進到今天,牛奶是無處不在的沒有專門的交付系統。但是我們的生活便利程度已經上升了一個缺口。幾乎所有的東西都在網上出售,這使我們所有的旅行和談話都有了。用幾點準備,購物就完成了。其余的則是留給那些快速交貨的公司。它通常是一個脾氣暴躁的郵遞員,他通過手機與我們聯系,希望每個人都拿起他們的包裹盡快。和一分鐘的收據簽字,我們趕回來打開而快遞沖到下一個目的地。我們幾乎沒有進行一次談話,也不覺得有必要對這樣一個陌生人說話,他經常改變時間。似乎人們總是在匆匆忙忙的現在,雖然我們有更多的方便,但我們卻沒有時間停下來盯著,說,分享。
叫我老古董,但我認為送奶工為代表的個人風格是什么一直在現代社會中失蹤。華茲華斯威廉曾寫道:“獲取和消費,我們浪費我們的權力。”現代科技可能會增加我們的財產,或者給我們更多的便利,但是我們冒風險的減少我們的價值,如果我們浪費我們的人際關系的力量。
英語演講稿帶翻譯 9
The operational [??p??rei??n?l] amplifier [??mpl??fa??] is an extremely efficient and versatile [?v?:s?tail] 通用device. Its applications span the broad electronic industry filling requirements for signal conditioning, special transfer functions, analog [??n??l?:g] 模擬instrumentation, analog computation, and special systems design. The analog assets [??set ] of simplicity [sim?plisiti] and precision characterize circuits
[?s?:kit]utilizing [?ju:tilaiz] operational amplifiers.
運算放大器是一個非常有效和通用設備。它的應用范圍廣泛的電子工業,信號調理,專項轉移功能,模擬儀表,模擬計算,及特殊系統設計的灌裝要求。簡單性和精確度是使用運算放大器的模擬電路特點
The Feedback Technique
The precision and flexibility of the operational amplifier is a direct result of the use of negative feedback. Generally speaking, amplifiers employing feedback will have superior operating characteristics at a sacrifice [?s?krifais]of gain.
在運算放大器的精度和靈活性是利用負反饋的直接結果。一般來說,采用反饋的放大器有卓越的經營特點,在犧牲增益的代價下。
With enough feedback, the closed loop amplifier characteristics become a function of the feedback elements. In the typical feedback circuit, figure 1, the feedback elements are two resistors. The precision of the “closed loop” gain is set by the ratio [?rei?i?u] 比率of the two resistors and is practically independent of the “open loop” amplifier. Thus, amplification to almost any degree of precision can be achieved with ease.
有了足夠的反饋,閉環放大器的特點成為一個功能的反饋元件。在典型的反饋電路中,圖1中,反饋元件是兩個電阻器。的精度的“閉環”的增益設置的兩個電阻的比率實際上是獨立的“開環”放大器。因此,放大到幾乎任何的精確度,可以容易地實現。
Notation符號
?= Symbol (a) is a buffer [?b?f?] 緩沖器 op工作 amp放大器
?= Symbol (b) is a differential input, single ended output op amp. This symbol represents the most common types of op amps, including voltage feedback, and current feedback. It is often times pictured with the non-inverting input at the top and the inverting input at the bottom.
?= Symbol (c) is a differential input, differential output op amp. The outputs can be thought of as “inverting” [in?v?:t] 反轉and “non-inverting”, and are shown across from
the opposite [??p?zit]相反 polarity [p???l?r?ti] 極性 input for easy completion
[k?m?pli:??n] 完成of feedback loops on schematics [ski:?m?t?k].
符號(a)是一個緩沖器的運算放大器
?=符號(b)是一個差分輸入,單端輸出的運算放大器。這個符號代表最常見的類型,包括電壓反饋和電流反饋運算放大器。它通常是在頂部和在底部的倒相輸入端與非反相輸入描繪的時間。
?=符號(C)是差分輸入,差分輸出運算放大器。輸出可以被認為是“反轉”和“非反相”,并示出從相反的極性的輸入對面容易完成的`反饋回路原理圖
Power Connections電源連接
Power is supplied to each of these units at connections as shown in figure 4. Such a connection is implied in all operational amplifier circuits. The dual [?dju:?l]兩部分
supply presents the same absolute value of voltage to ground from either side, while the center connection ultimately [?ltim?tli]最宗defines the common line and ground potential. The exceptions to this are AC amplifier circuits that may use a single power supply. This is accomplished by creating a floating [?fl??t??] AC ground with DC blocking capacitors. In such circuits, a source of “half-supply” creates a “virtual ground” exactly half way between the positive supply and ground potentials.
電源供給到這些單元中的每一個,如在圖4中所示的連接。這樣的連接是隱含在所有的運算放大器電路。雙電源呈現相同的絕對電壓值從任一側接地,而中心連接最終定義的公共線和接地電位。例外情況是可以使用單個電源的AC放大器電路。這是通過創建一個浮動的AC地面的隔直流電容器。在這種電路中,“半電源”的來源創建一個“虛擬地”正好有一半之間的正電源和接地電位的方法。
Electrical Circuit Models電氣電路模型
The simplified models of the differential [?d?f??ren??l] 差分input operational amplifiers are shown in figures 6 and 7.
在圖6和圖7中示出的差分輸入運算放大器的簡化模型。
As indicated in figure 6, the operational amplifier can be represented by an ideal voltage source whose value depends on the input voltage appearing across the inverting and non-inverting inputs plus the effects of finite [?fainait] 有限input and output impedances [im?pi:d?ns]阻抗. The value, A, is known as the open loop (without feedback) gain of the operational amplifier.
正如在圖6中所示,運算放大器可以表示為一個理想電壓源,其值取決于對輸入電壓的兩端出現的反相和非反相輸入端加上有限的輸入和輸出阻抗的影響。值,A,是被稱為在運算放大器的開環增益(沒有反饋)。
The simplified model of the differential output operational amplifier (figure 7) is an accurate [??kjurit] approximation [??pr?ks??me???n] 近似值only under special conditions of feedback (see “Balanced Amplifier” later in this handbook). Figure 6 represents the model of the differential output type when it is used as a single ended output device; the inverting output simply being ignored.
簡化模型的差分輸出運算放大器(圖7)是一個準確近似,僅在特殊條件下的反饋(見“平衡放大器”,在本手冊后面)。圖6表示的差分輸出的模型類型時,它被用作一個單端輸出的移動設備簡單地被忽略的反相輸出。
The Ideal Operational Amplifier理想運算放大器
In order to introduce operational amplifier circuitry, we will use an ideal model of the operational amplifier to simplify the mathematics [?m?θi?m?tiks] involved in deriving gain expressions, etc., for the circuits presented. With this understanding as a basis, it will be convenient to describe the properties of the real devices themselves in later sections, and finally to investigate circuits utilizing practical operational amplifiers. 為了介紹運算放大器電路中,我們將使用一個理想的模型簡化中獲得的電路增益表達式等,所涉及的數學運算放大器的。有了這樣的認識,以此為基礎,可以方便的真實設備本身在后面的章節中描述的屬性,最后調查利用實際的運算放大器電路。
To begin the presentation of operational amplifier circuitry [?s?:kitri], then, it is necessary first of all to define the properties of a mythical “perfect” operational amplifier. The model of an ideal operational amplifier is shown in figure 9.
首先介紹運算放大器電路,那么,它是必要的,首先要定義一個神話般的“完美”的運算放大器的性能。理想的運算放大器的模型是在圖9中所示。
Defining the Ideal Operational Amplifier
?= Gain: The primary function of an amplifier is to amplify, so the more gain the better. It can always be reduced with external circuitry, so we assume gain to be infinite
[?infinit]無限.
增益:放大器的主要功能是放大的,所以更多的獲得更好。它總是可以減少與外部電路,所以我們假設增益是無限
?= Input Impedance: Input impedance is assumed to be infinite. This is so the driving source won’t be affected by power being drawn by the ideal operational amplifier. 輸入阻抗:輸入阻抗被認為是無限的。這是這樣的驅動源將不會受到影響被繪制了理想的運算放大器的功率。
?= Output Impedance: The output impedance of the ideal operational amplifier is assumed to be zero. It then can supply as much current as necessary to the load being driven.
輸出阻抗:理想的運算放大器的輸出阻抗被假定為零。然后,它可以提供盡可能多的電流所必需的被驅動的負載。
?= Response Time: The output must occur at the same time as the inverting input so the response time is assumed to be zero. Phase shift will be 180?. Frequency response will be flat and bandwidth infinite because AC will be simply a rapidly varying DC level to the ideal amplifier.
響應時間:輸出必須在相同的時間發生的反相輸入端,這樣的響應時間被假定為零。相移為180?。頻率響應是平的,無限的,因為交流會只是一個快速變化的DC電平的理想放大器的帶寬。
?= Offset: The amplifier output will be zero when a zero signal appears between the inverting and non-inverting inputs.
偏移量:當一個零信號之間出現的反相和非反相輸入端,放大器的輸出將為零。
CIRCUITS AND ANALYSES USING THE IDEAL OPERATIONAL AMPLIFIER用理想運算放大器的電路及分析
The Desirability of Feedback是可取的反饋
Consider the open loop amplifier used in the circuit of figure 10. Note that no current flows from the source into the inverting input - the summing point restraint derived in the previous section - hence, there is no voltage drop across RS and ES appears across the amplifier input. When ES is zero, the output is zero. If ES takes on any non-zero value, the output voltage increases to saturation [?s?t???re???n] 飽和, and the amplifier acts as a switch.
考慮圖10的電路中使用的開環放大器。請注意,從源代碼編譯成的反相輸入端 - 來自上一節中的求和點約束 - 因此沒有電流流過,有沒有RS兩端的電壓降和ES出現整個放大器的輸入。當ES是零,其輸出為零。如果ES承擔任何非零的值,輸出電壓增大到飽和,該放大器作為一個開關。
The open loop amplifier is not practical - once an op amp is pushed to saturation, its behavior is unpredictable. Recovery time from saturation is not specified for op amps (except voltage limiting types). It may not recover at all; the output may latch up. The output structure of some op amps, particularly rail-to-rail models, may draw a lot of current as the output stage attempts to drive to one or the other rail. For more details on op amps in open loop operation, consult reference 1.
開環放大器是不實際的 - 一旦一個運算放大器推到飽和,它的行為是不可預測的。未指定恢復時間從飽和運算放大器的(除了電壓限制類型)。它可能無法收回;輸出鎖存。作為輸出級試圖把車開到一個或其他鐵路的一些運算放大器,尤其是軌到軌車型,可能會吸引大量的電流輸出結構。對于運算放大器開環運行的詳細信息,請參閱參考文獻1。
Two Important Feedback Circuits
英語演講稿帶翻譯 10
feet, the carriers of life
good morning, ladies and gentlemen.
i would like to tell you about an unusual assignment. i was surprised and amused when our teacher told us our homework was to wash our feet carefully .
yeah, washing the feet is such a common daily activity that i’ve never paid much attention to it. my feet had been cooperating and helping each other, nearly always managing to get washed, while i was enjoying my readings. but that night, while i gently touched my feet in the hot water, i realized how nice and cozy bathing my feet could be.
deep in my mind, the hands always seemed superior to the feet. people use all sorts of things from soap to moisture cream to protect their hands. the feet become, kind of, neglected, since the feet spend all day long with the ground and dirt, and quite inevitably, get really smelly.
as i slowly soaped and rinsed my feet, i was beginning to
understand why my teacher launched such a mission. she wanted us to realize that the feet were more helpful than we had ever imagined.
surely, the hands are important. however it’s the feet that carry your whole body weight, and everything about your life.
the feet carry you, as well as your hopes and dreams, and walk steadily upon the most solid ground, moving forward step by step,
upon mountains and down valleys, over the smooth as well as the rough, through the bitterness as well as the joy.
as i was washing my feet, i let my mind wander. i felt as if i was on a vast desert. looking around, i saw millions of footprints, large and small, deep and shallow, being the marks of existence, and the traces of life. and there i was, using my own feet, making my own path, towards the oasis of life……
thank you.
腳,生命的載體
女士們,先生們,上午好!
我想告訴大家一份不尋常的家庭作業,老師布置我們當晚回家認真給自己洗一遍腳,聽到后,我感到驚奇而有趣。
是啊,腳,我每晚必洗,但從未重視過。洗腳時,我津津有味地看著書,任雙腳摩挲,互幫互助。但今晚,當我的雙手觸摸到自己的雙腳時,是多么的舒服、愜意啊!
心中,總是覺得手比腳高貴,人們用香皂洗手,并抹上護手霜,百般呵護;而腳踩在地上,即使有鞋襪,也總被認為是與灰土打交道的粗笨一族,并有不可避免的異味,腳,似乎成了身體中被忽視的部分。
我仔細地洗著腳,漸漸地,我明白了老師的用意:她布置這個特殊的任務,是為了讓我們認識到腳,其實比我們想象的更偉大。
無可爭議,手固然重要?赡_卻承擔著你生命的全部重量。
腳,負著你,你沉甸甸的`希望和夢想,踩著踏實的大地,一步一步地前進,走上了高山也走下了峽谷,走過了平坦也走過了崎嶇,走過了苦難也走過了幸福。
我在洗腳,手腳依偎,恍惚間,我仿佛置身于廣袤的大漠中。環視四周,一串串大大小小深深淺淺的腳印,這是存在的證明,生命的印跡。而我用自己的雙腳,開辟著自己的道路,向生命的綠洲前進……
謝謝!
英語演講稿帶翻譯 11
Good morning everyone,Today, I would like to talk about youth, a period of our life that we often take for granted. Youth is a time when we are filled with boundless energy and possibilities, an age when we can dream big and work hard to make those dreams come true. As teenagers, we may feel that our youth is eternal, and that we have all the time in the world to chase our goals. But the truth is, our youth is fleeting, and it’s up to us to make the most of it.
During our teenage years, we are presented with countless opportunities to learn, grow, and achieve. Whether it’s through education, sports, or extracurricular activities, we have the chance to develop our skills, discover our passions, and build a solid foundation for our future. However, we must also be aware that our decisions and actions during our youth can have lasting consequences. Therefore, we should make wise choices, cultivate healthy habits, and surround ourselves with positive influences.
Moreover, youth is not just a time for self-improvement, but also a time for contribution. As young people, we are capable of making a difference in the world, no matter how small or big our contributions may be. By volunteering, advocating for important causes, or simply being a good friend to those in need, we can positively impact the lives of others and create a better future for ourselves and those around us.
In conclusion, youth is a precious gift that we should cherish and make the most of. Let us seize this time with enthusiasm, determination, and compassion. Let us also remember that our youth will not last forever, and that the decisions we make and the actions we take today will shape the person we become tomorrow.
Thank you.
大家早上好,今天我想談談青春,這是我們經常認為理所當然的一段人生。青春充滿了無限的能量和可能性,是一個我們可以夢想遠大,努力實現這些夢想的年齡。作為青少年,我們可能會覺得青春永恒,認為我們有無限的時間去追逐我們的目標。但事實是,我們的青春是短暫的,我們需要充分利用這段時間。
在我們的少年時期,我們有無數的機會來學習、成長和實現。通過教育、運動或課外活動,我們有機會發展自己的技能,發現自己的激情,并為自己的未來打下堅實的基礎。然而,我們也必須意識到,在我們的`青春期間的決定和行動可能會產生長遠的影響。因此,我們應該做出明智的選擇,培養健康的習慣,并周圍自己正面積極的影響。
此外,青春不僅是自我提高的時期,也是貢獻的時期。作為年輕人,我們能夠在世界上產生影響,無論我們的貢獻是多小或多大。通過志愿服務、倡導重要事業或簡單地成為那些需要幫助的人的好朋友,我們可以對他人的生活產生積極的影響,為我們自己和身邊的人創造更美好的未來。
總之,青春是一份珍貴的禮物,我們應該珍惜并充分利用。讓我們以熱情、決心和同情心抓住這個時期。我們也要記住,我們的青春不會永遠存在,我們今天所做出的決定和行動將塑造我們明天的人生。
謝謝。
英語演講稿帶翻譯 12
dear students:
our way of life is always sunny, blue skies, which in the end the most dazzling ray of sunlightit was said to be excellent academic performance, it was said to be given to help others....and i think that our way of life of the most brilliant sunshine should be reported to belong to the temple map, help us to grow thanks to everyone.
yes, the institute of thanksgiving is a feeling, the institute of thanksgiving, but also a character. as teachers and our students, the most important gratitude is a school. schools to give us a big growth stage of life: bright and spacious classrooms, new desks and chairs, air-conditioned and well-being, as well as multi-media facilities, has provided us with an attractive learning environment. read one book bright and clean rooms, provides us with knowledge of the marine tour; flat beautiful big playground, provided us with a good place for the exercise, and pottery room, computer room, dance room, multi-purpose hall, and so on, no school is not out of devotion to our selfless love!
however, in these beautiful places, often with some notes of discord. read books in one room, some students read the book, abandonment, i do not know the original release, there is more tear, using the phenomenon of the book; when the red and green and white artificial big playground to open it selfless embrace, and some of the scenes of discord hurt our eyes: a wide range of confetti, colorful tang zhi, and scattered in all corners of the shell seeds, chewing gum, etc. the list goes on of these!
students, please put your hand on his chest ask ourselves: "i do a thanksgiving schoolstudents, let us now work together, with their good health habits to school thanksgiving, thanksgiving, so that the flowers on campus and open more beautiful.
親愛的同學們:
我們的人生之路總是陽光明媚,晴空萬里,到底哪一縷陽光最耀眼?有人說是優異的學習成績,有人說是給予別人幫助……而我認為在我們的人生路上最燦爛的陽光應該屬于知恩圖報,感謝幫助我們成長的每一個人。
是的,學會感恩,是一種情懷,學會感恩,更是一種情操.作為教師和學生的我們,最要感恩的就是學校了。學校給我們了一個人生成長的大舞臺:寬敞明亮的教室,嶄新的桌椅,冷暖空調、以及多媒體設施,為我們提供了一個優美的學習環境。窗明幾凈的圖書閱覽一體室,為我們提供了暢游知識的海洋;平坦美麗的`大操場,為我們提供了鍛煉身體的好去處,還有陶藝室,電腦室、舞蹈室、多功能報告廳等等,無不是學校對我們奉獻出的無私的愛!
可是,在這些美麗的地方,卻常常有著一些不和諧的音符。在圖書閱覽一體室,有的同學看完書后,亂扔亂放,不知道放回原處,更有甚者還有撕書、拿書的現象;當紅綠相間的人工大操場向我們敞開它無私的懷抱時,又有一些不和諧的景象刺痛了我們的眼睛:各種各樣的紙屑,五顏六色的糖紙,還有散落在各個角落的瓜子殼、口香糖等等這些舉不勝舉!同學們,請你把手放在自己的胸口捫心自問:“我感恩學校了嗎?”
同學們,就讓我們共同努力吧,用自己良好的衛生習慣來感恩學校,讓感恩的花兒在校園內開放的更加美麗。
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