压紧联轴节,法兰锥形联轴节

用Mp3背六级单词045

maintenance inflict identification unemployment intensify decay idiom outbreak idleness beam overwhelming shipwreck graphite thrifty preset misfortune untie compression immortal weary roam transplant impartial vocal

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用Mp3背六级单词

词汇大师--How a Conversation Can Really Become...

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: When two people click, that means they really understand each other. Well, that metaphorical clicking could be the sound of what researchers call speaker-listener neural coupling.

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词汇大师(Wordmaster)

60秒科学:新CPR,免去人工呼吸的尴尬

New data show that when bystanders without emergency medical training try CPR using only chest compression, the results can be better than if they also attempt mouth-to-mouth. Christopher Intagliata reports 看见身边有人突然倒了，想救人家

发表于:2018-12-07 / 阅读(278) / 评论(0)

60秒科学

机械类词汇大全-39

1597 、弹性形变 elasticdeformation 1598 、弹性常数 elasticconstant 1599 、弹性极限 elasticlimit 1600 、弹性模量；弹性模数 modulusofelasticity 1601 、弹性应变能 elas

发表于:2018-12-08 / 阅读(213) / 评论(0)

英文名句短语

机械类词汇大全-46

1891 、翼面；空气动力面 aerofoil;airfoil 1892 、翼规 wingcompasses 1893 、声强度 soundintensity 1894 、联接；轴接 coupling 1895 、联轴节；联接器 coupling 1896 、联锁

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英文名句短语

机械类词汇大全-45

1849 、静摩擦 staticfriction 1850 、颈轴承 journalbearing 1851 、颈缩 necking 1852 、频带宽度 bandwidth 1853 、频率 frequency 1854 、头座 headstock 1855 、阈值；临界值

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英文名句短语

商务口语第67讲:制造工程(2)

1.Computer-Aided Manufacturing(CAM) 计算机辅助制造 A: Is CAM used in China? B: Yes，it has been uesd in China for almost twenty years. A：在中国有使用CAM的吗？ B：有啊，在中国使用已经将近20年了。 2.Hot working 热加工 A: What are the hot working proc

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天天商务口语

电信专业英英词典D-4

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

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电信英语

SSS 2010-10-06

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(218) / 评论(0)

Scientific American(十)月

VOA标准英语2010年-CPR Works Without Mouth-to-Mouth

Study finds chest compressions are the real life-saver Art Chimes | St. Louis, Missouri 29 July 2010 Cardiopulmonary resuscitation, or CPR, has been around in its modern form for about 50 years. Its rhythms of chest compressions and mouth-to-mouth br

发表于:2019-01-13 / 阅读(224) / 评论(0)

VOA标准英语2010年(七)月

TED演讲:我们的大脑是如何交流的?(10)

And I'm not sure how to fix it because I'm only a scientist. 我只是个科学家，不知如何解决这个问题。 But maybe one way to do it is to go back to the more natural way of communication, which is a dialogue, 但或许有个可行的方法

发表于:2019-01-18 / 阅读(211) / 评论(0)

TED演讲科学篇

英语热词说说CP这些事儿！

Shipping, initially derived from the word relationship, is thedesire by fans for two people, either real-life celebrities or fictionalcharacters, to be in a relationship, romantic or otherwise.Shipping often takes the form of creative works, includin

发表于:2019-02-25 / 阅读(218) / 评论(0)

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