向上移動(dòng)1米距離所作的功為1焦耳。 1J=1w·s=1A·V·s，即1瓦的機(jī)械工作1秒的釋放的能量為1焦耳，3.6*10^6J=1kwh,即1度，是電的常用單位。 ? 擴(kuò)展資料 J——轉(zhuǎn)動(dòng)慣量 轉(zhuǎn)動(dòng)慣量(Moment of Inertia)是剛體繞軸轉(zhuǎn)動(dòng)時(shí)慣性（回轉(zhuǎn)物體保持其勻速圓周運(yùn)動(dòng)或靜止的特性）的量度，用字母I或J表示。 在經(jīng)典力學(xué)中，轉(zhuǎn)動(dòng)慣量（又稱質(zhì)量慣性矩，簡稱慣距）通J是英語中的一個(gè)重要元音字母，但它的發(fā)音似乎比其他字母要稍微復(fù)雜一些。究竟復(fù)雜在哪里呢？一起來看看吧。 ? “j常以I 或J表示，SI 單位為 kg·m2。對于一個(gè)質(zhì)點(diǎn)，I = mr2，其中 m 是其質(zhì)量，r 是質(zhì)點(diǎn)和轉(zhuǎn)軸的垂直距離。 轉(zhuǎn)動(dòng)慣量在旋轉(zhuǎn)動(dòng)力學(xué)中的角色相當(dāng)于線性動(dòng)力學(xué)中的質(zhì)量，可形式地理解為一個(gè)物體對于旋轉(zhuǎn)運(yùn)動(dòng)的慣性，用于建立角動(dòng)量、角速度、力矩和角加速度等數(shù)個(gè)量之間的關(guān)系。 ? 以上是為大家介紹的j英文字母怎么發(fā)音的相關(guān)信息，希望對大家有一定的幫助。更多英語相關(guān)信息，可以關(guān)注滬江網(wǎng)查詢。 ? 特別提醒：如果您對英語學(xué)習(xí)感興趣，想要深入學(xué)習(xí)，可以了解滬江網(wǎng)校精品課程，量身定制高效實(shí)用的個(gè)性化學(xué)習(xí)方案，專屬督導(dǎo)全程伴學(xué)，掃一掃領(lǐng)200暢學(xué)卡。

　　為什么大家在應(yīng)對六級寫作的時(shí)候總是拿不到高分，那是因?yàn)榇蠹以趥淇嫉倪^程中積累不夠。下面是小編給大家分享的大學(xué)英語六級作文優(yōu)秀句型，大家可以作為學(xué)習(xí)的參考。 　　大學(xué)英語六級作文優(yōu)秀句型 　　1)分詞短語做定語或狀語 　　Prof. Kang came to our university, giving us a lecture on how to acquire English better. 　　2)倒裝句 　　Only through these measures can we hope to solve the problem. 　　Scattered around

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可能會(huì)導(dǎo)致嚴(yán)重的精神疾病。 The latest surveys show that quite a few children have unpleasant associations with homework.最近的調(diào)查顯示相當(dāng)多的孩子對家庭作業(yè)沒什么好感。 No invention has received more praise and abuse than Internet.沒有一項(xiàng)發(fā)明像互聯(lián)網(wǎng)一樣同時(shí)受到如此多的贊揚(yáng)和批評。 People seem to fail to take into account the fact that education does not end with graduation.人們似乎忽視了教育不應(yīng)該隨著畢業(yè)而結(jié)束這一事實(shí)。 An increasing number of experts believe that imigrants will exert positive effects on construction of city. However, this opinion is now being questioned by more and more city residents, who complain that the imigrants have brought many serious problems like crime and drug.越來越多的老師相信移民對城市的建設(shè)起到積極作用。然而，越來越多的城市居民卻懷疑這種說法，他們抱怨民工給城市帶六級作文來了許多嚴(yán)重的問題，像犯罪和吸毒。 特別提醒：如果大家想要了解更多英語方面知識(shí)，或者想要深入學(xué)習(xí)英語的，可以掃以下二維碼，定制滬江網(wǎng)校精品課程，高效實(shí)用的個(gè)性化學(xué)習(xí)方案，專屬督導(dǎo)全程伴學(xué)。 詞匯學(xué)習(xí)一方面需要學(xué)習(xí)者自覺的記憶單詞,另一方面需要有一定的約束和壓力,更為重要的是在思想上重視詞匯學(xué)習(xí)和詞匯記憶的重要性。

要想提高英語六級寫作能力，備考的過程中一定要學(xué)會(huì)積累和掌握。下面是英語六級作文布局常用句型分享，大家可以作為學(xué)習(xí)的參考。 (一)原因 1.A number of factors are accountable for this situation. A number of factors might contribute to (lead to )(account for ) the phenomenon(problem)。 2. The answer to this problem involves many factors. 3. The phenomenon mainly stems

數(shù)據(jù) 1. It has increased by three times as compared with that of 1998. 2. There is an increase of 20% in total this year。 3. It has been increased by a factor of 4since 1995. 4. It would be expected to increase 5 times。 5. The table shows a three times increase over that of last year。 6. It was decreased twice than that of the year 1996. 7. The total number was lowered by 10%。 8. It rose from 10-15 percent of the total this year。 9. Compared with 1997, it fell from 15 to 10 percent。 10. The number is 5 times as much as that of 1995. 11. It has decreased almost two and half times, compared with… 三、用于解釋性和闡述性論說文 1.Everybody knows that… 2.It can be easily proved that… 3. It is true that… 4. No one can deny that 5. One thing which is equally important to the above mentioned is… 6. The chief reason is that… 7. We must recognize that… 8. There is on doubt that… 9. I am of the opinion that… 10. This can be expressed as follows; 11. To take …for an example… 12. We have reason to believe that 13. Now that we know that… 14. Among the most convincing reasons given, one should be mentioned… 15. The change in …largely results from the fact that 16. There are several causes for this significant growth in…,first …,second …,finally… 17. A number of factors could account for the development in… 18. Perhaps the primary reason is… 19. It is chiefly responsible of… 20. The reasons for…are complicated, And probably they are found in the fact… 21. Here are several possible reasons, excerpt that… 22. Somebody believes/argues/holds/insists/thinks that… 23. It is not simple to give the reason for this complicated phenomenon… 24. Different people observes it in different ways。 四、用于文章的開頭 1. As the proverb says… 2. It goes without saying tan… 3. Generally speaking… 4. It is quite clear than because… 5. It is often said that … 6. Many people often ask such question:“…?” 7. More and more people have come to realize… 8. There is no doubt that… 9. Some people believe that… 10. These days we are often told that, but is this really the case? 11. One great man said that… 12. Recently the issue of… has been brought to public attention。 13. In the past several years there has been… 14. Now it is commonly held that… but I doubt whether… 15. Currently there is a widespread concern that… 16. Now people in growing number are coming to realize that… 17. There is a general discussion today about the issue of … 18. Faced with…, quite a few people argue that…, but other people conceive differently. 以形式主語it引導(dǎo)的句型。 句型1. It (so) happened(chanced) that +clause. = sb. happened /chanced to do sth. = sth. by chance.如： It happened that he was out when I got there.當(dāng)我到那

就是…的理由：it is the reason that… (10)只有當(dāng)我們立即采取有效措施去解決現(xiàn)

一個(gè)是… 10、My view is that … 我的`觀點(diǎn)是… 11、Like almost everybody else, I believe that … 正如幾乎所有人一樣，我相信… 二、英語六級有什么用 考研錄取指標(biāo) 現(xiàn)在很多學(xué)校在招收研究生的時(shí)候，其中一個(gè)對考生的要求就是通過英語六級，因?yàn)檠芯可挠⒄Z實(shí)力是用來閱讀英文專業(yè)期刊和論文資料的。如果，你沒有通過六級，也就說明你的英語水平離研究生英語能力要求還是有一定差距的。所以，通過英語四級的朋友，如果你還有考研想法的話，那就抓緊時(shí)間復(fù)習(xí)，盡快考過英語六級。 公務(wù)員招聘硬性規(guī)定 公務(wù)員考試不是考得好就能進(jìn)的。首先，公務(wù)員對身份、學(xué)歷、專業(yè)等都六級作文高級句型和詞匯都有哪些呢，下面小編為大家詳細(xì)介紹一下，供大家參考。 一、英語六級作文有著嚴(yán)格的要求。其次，不少崗位都在備注一欄中對英語水平有明確的標(biāo)注，必須通過英語四六級，甚至有的對具體分?jǐn)?shù)還有進(jìn)一步的要求。如果在大學(xué)里沒有通過四六級，就意味著只能和很多崗位擦肩而過了。 外企的生存必備技能 想去外企得英語好，顯然四級的事就不要提了，六級500+的才是站在了起點(diǎn)。當(dāng)然在外企，語言實(shí)操能力比證書重要，因?yàn)楫?dāng)你投簡歷的時(shí)候你就會(huì)發(fā)現(xiàn)，人家的招聘信息是全英文的，人家的筆試、面試也都是全英文。 特別提醒：如果大家想要了解更多英語方面知識(shí)，或者想要深入學(xué)習(xí)英語的，可以了解一下滬江網(wǎng)校精品課程，量身定制高效實(shí)用的個(gè)性化學(xué)習(xí)方案，專屬督導(dǎo)全程伴學(xué)。感興趣的可以掃一掃下圖定制專屬課程。 上文是小編搜索整理的關(guān)于英語六級詞匯，供參考復(fù)習(xí)，希望對大家有所幫助!想了解更多相關(guān)信息請持續(xù)關(guān)注滬江網(wǎng)。

作文一直是考生重點(diǎn)關(guān)注的部分，也是考試的重難點(diǎn)，考前多背誦一些作文句型，考試的時(shí)候可以幫助自己提高作文一是自信，第二是渴望，還有一個(gè)是決心。 　　3. Recognizing a problem is the first step in finding a solution . 　　認(rèn)識(shí)到問題是找到解決辦法的第一步。 　　4. Many of the explanations offered thus far are at least to a certain extent valid , but none fully address the problem

　　想要在六級考試的時(shí)候?qū)懗龈叻肿魑?，那么在備考的過程中就要多積累。下面是小編給大家分享的大學(xué)英語六級作文加分經(jīng)典開頭句型，大家可以作文學(xué)習(xí)的參考。 　　1.As far as …is concerned 就……而言 　　2.It goes without saying that… 不言而喻，… 　　3.It can be said with certainty that… 可以肯定地說…… 　　4.As the proverb says， 正如諺語所說的， 　　5.It has to be noticed that… 它必須注意到，… 　　6.It's generally recognized that… 它普遍認(rèn)為… 　　7.It's likely that … 這可能是因?yàn)椤?　　8.It's hardly that… 這是很難的…… 　　9.It's hardly too much to say that… 它幾乎沒有太多的說… 　　10.What calls for special attention is that…需要特別注意的是 　　11.There's no denying the fact that…毫無疑問，無可否認(rèn) 　　12.Nothing is more important than the fact that… 沒有什么比這更六級考試的時(shí)候?qū)懗龈叻肿魑?，那么在備考的過程中就要多積累。下面是小編給大家分享的大學(xué)英語六級作文重要的是… 　　's far more important is that… 更重要的是… 　　養(yǎng)成多積累和運(yùn)用的好習(xí)慣，那么在考試的過程中就能靈活運(yùn)用。以上就是小編給大家分享的六級寫作句型，希望可以給大家在備考過程中帶來幫助。