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  • 初中英語牛津八年級(jí)下01

    the end of 2001 and even now, [14:01.35]the number of visitors is restricted. [14:05.90]It is now safe for the next 300 years [14:12.53]because engineers have reduced the lean by 50 centimetres [14:20.37]to give it the same lean that it had in 1838. 更多內(nèi)容請(qǐng)查看《初中英語牛津版八年級(jí)匯總專輯》

  • 初中英語牛津八年級(jí)上06(1)

    初中英語牛津八年級(jí)上06(1) kangaroo Captain King, Master Spaceman has been all over space. He often tells his friends stories of his advantures. This is one of them. Peters,our navigator,was lost again. We were running out of food, so towards evening,we landed on an unexplored planet. Lam,our pilot,brought us

  • 初中英語牛津八年級(jí)下07

    !What a pity! That's terrible! How awful! [07:16.09]Hi,Paul. Long time no see. [07:25.23]What's new? They've just elected me house captain. [07:31.40]Congratulations!You deserve it. [07:36.44]Thanks.What's new with you,Judy? [07:41.61]Someone stole my new bike last week. [07:46.89]That's terrible!You must be angry.You can say that again. 更多內(nèi)容請(qǐng)查看《初中英語牛津版八年級(jí)匯總專輯》

  • j英文字母怎么發(fā)音

    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(duì)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(duì)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(duì)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(duì)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。

  • 初中英語牛津八年級(jí)下04

    :16.43]A2 1.A knock on the door,a light in the night,a note on the floor. [08:37.09]2.Nine knocks on nine lines. [08:46.52]3.Lucky Lily lives in London.Nelly is her neighbour. [08:57.89]Lucky Lily plays all day.Nelly has to labour. [09:06.25]A3 No news from Norman No letter from Linda. [09:17.01]I'll give Norman a call at nine.And I'll write a letter to Linda. 更多內(nèi)容請(qǐng)查看《初中英語牛津版八年級(jí)匯總專輯》

  • 初中英語牛津八年級(jí)下學(xué)期04（2）

    初中英語牛津八年級(jí)上學(xué)期04（2） On the abacus in the picture, the beads on the wires represent ones, tens,hundreds and thousands starting from the bottom wire. The picture on the right shows a modern electronic calculator. It can add,subtract, multiply and divide. It can also calculate percentages and square

  • 牛津初中英語八年級(jí)下冊第5單元

    ,and the wood in the ground, [07:35.84]And the green grass grew all round, round, round. [07:42.08]And on the limb there was a nest,The prettiest nest you ever did see; [07:50.44]The nest on the limb,and the limb on the tree, [07:55.51]The tree in the wood,and the wood in the ground. [08:01.44]And the green grass grew all round,round,round. 更多單元請(qǐng)查看《牛津初中英語八年級(jí)下冊匯總專輯》，下載本文音頻請(qǐng)到本文相關(guān)應(yīng)用區(qū)。

  • 初中英語牛津八年級(jí)上學(xué)期05（2）

    初中英語牛津八年級(jí)上學(xué)期05（2） DIOGENES and DISNEY DIOGENES Diogenes was a famous thinker. He lived in Greece about two thousand years ago. He taught that the way to be happy was to own as few things as possible All he owned was a big jar that he lived in,a coat,a purse and a cup He was very happy. One day,he

  • 初中英語牛津八年級(jí)上03(2)

    初中英語牛津八年級(jí)下03(2) 'I don't want to go on that ferry.' This was strange. Was my father afraid of that man? I wanted to go and watch the [w]action[/w]. But he hurried to an ice-cream shop. 'Can I use your phone?'he asked theshop assistant. He quickly dialed 110. 'I want to report a robbery. The man

  • 初中英語牛津八年級(jí)上03(2)

    初中英語牛津八年級(jí)下03(2) 'I don't want to go on that ferry.' This was strange. Was my father afraid of that man? I wanted to go and watch the action. But he hurried to an ice-cream shop. 'Can I use your phone?'he asked theshop assistant. He quickly dialed 110. 'I want to report a robbery. The man

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