乘法平滑

数学英语 35 How to Convert Units

by Jason Marshall In the last two articles weve talked about the meaning of multiplication and how to use this meaning to make multiplying fractions easier. Today, were going to put everything weve learned about multiplication to good use by learning

发表于:2018-12-07 / 阅读(186) / 评论(0)

数学英语

数学英语 36 How to Convert Units

by Jason Marshall In the last article, we began discussing how to convert from one system of units to anotherfor example from miles to kilometersand how all of this relates to the multiplicative identity. But we didnt quite have enough time to get to

发表于:2018-12-07 / 阅读(188) / 评论(0)

数学英语

机械类词汇大全-48

1975 、双圆头锤 blockinghammer 1976 、双极面结型晶体管 bipolarjunctiontransistor 1977 、双线规；榫规 mortisegauge 1978 、双头砂轮机 double-endedgrinder 1979 、双头螺栓

发表于:2018-12-08 / 阅读(180) / 评论(0)

英文名句短语

词汇大师-- Smoothing Out English With Help From Sentence

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: some pronunciation rules to help make your speech sound more natural. RS: Back with us from Los Angeles is Nina Weinstein, author of the English teaching book Whaddaya Say? Guided

发表于:2018-12-30 / 阅读(179) / 评论(0)

词汇大师(Wordmaster)

机械类词汇大全-8

295 、可逆过程 reversibleprocess 296 、可压缩性 compressibility 297 、可变电阻 variableresistor 298 、四分仪 quadrant 299 、四爪夹头 four-jawindependentchuck 300 、四圆心

发表于:2019-01-03 / 阅读(138) / 评论(0)

英文名句短语

职业技术英语口语第25期:工具和设备不熟悉的设备

An unfamiliar piece of equipment 不熟悉的设备 A: I haven't seen this machine before. What's it used for? A:我以前从来没有见过这个机器。它做什么用的？ B:It's a really useful piece of equipment. It's for smoothing rough edges

发表于:2019-01-14 / 阅读(172) / 评论(0)

职业技术英语口语

词汇大师-- Smoothing Out English

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: some pronunciation rules to help make your speech sound more natural. RS: Back with us from Los Angeles is Nina Weinstein, author of the English teaching book Whaddaya Say? Guided

发表于:2019-01-25 / 阅读(169) / 评论(0)

词汇大师(Wordmaster)

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ammonia (synthesis) converter