un. 旋转角速度;机械角速度
[网络] 自转角速度

The Ultimate Pitching Machine B y Tom McNichol / Originally published in WIRED Hardware and hard science are turning big-league ballplayers into precision-guided flamethrowers 1 I t’s the fastest hu

发表于:2018-12-02 / 阅读(73) / 评论(0) 分类 2016年NPR美国国家公共电台11月

And lastly, here's Destin, from Smarter Every Day, 最后是《每天聪明一点点》的德斯丁, talking about the conservation of angular momentum, and, since it's YouTube, cats: 为我们讲述动量守恒,由于是在YouTube上,所以他用

发表于:2018-12-30 / 阅读(56) / 评论(0) 分类 TED演讲科技篇

Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel

发表于:2019-01-02 / 阅读(129) / 评论(0) 分类 (科普英语)Earth and Sky

City Code - Some foreign countries require you to dial a city code before the phone number you are trying to reach. Clamp - A circuit that removes the energy dispersal signal component from the video

发表于:2019-01-03 / 阅读(47) / 评论(0) 分类 电信英语

Itsremarkable how we are able to build up this picture of whats going on millionsof miles away in the solar system. Its one of the joys of science really, justalmost like a detective picking up on those tiny clues to tell a bigger story. Sothat the b

发表于:2019-01-23 / 阅读(60) / 评论(0) 分类 探索与发现2014年

JERUSALEM, May 8 (Xinhua) -- Israeli researcher Jacob (Koby) Scheuer, from the Tel Aviv University (TAU) School of Electrical Engineering, has developed a nano-scale gyroscope, the Ha'aretz daily reported Sunday. Scheuer developed a new optic-fiber n

发表于:2019-02-08 / 阅读(52) / 评论(0) 分类 英语新闻
学英语单词
a-ps
Alepisauridae
alkali prevention
all of me
allylamine
alveolate pedicellaria
ambrosial, ambrosian
ammonium ichthyolsulfonate
anal retentive personality
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arc horn
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ensureth
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General Motor corporation
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high-viscosity-crude oil field
hypophysoma
inherent tension
Interest & U.
International Ocean Institute
invest in stocks
ISEAS
Kaélé
kilo-steradians
large real-time problem
Lindner's tests
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logarithmic integral
macront
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metaglygh
Mogliano Veneto
mohorita
monopeptide
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