un. 质子同步加速器

SSS 2010-04-15

Last week, scientists announced the discovery of a remarkably well-preserved skeleton of what might be a new species of an ancient hominid that lived almost 2 million years ago. The bones were found in 2008. This February, they were analyzed by one o

发表于:2018-12-24 / 阅读(59) / 评论(0)

Scientific American(四)月

万物简史第9期:如何营造一个宇宙(1)

Part I Lost in the cosmos 第一章如何营造一个宇宙 They're all in the same plane.They're all going around in the same direction. . . . 它们都处于同一平面。它们都在沿同一方向转动...... It's perfect,you know. It's gorgeo

发表于:2019-01-01 / 阅读(28) / 评论(0)

万物简史

中国计划建最大超级对撞机

China's proposed supercollider will be twice the size of the Large Hadron Collider or CERN in Switzerland that helped discover the Higgs Boson or the God Particle in 2012. It will also serve as a symbol of the country's rise as a global superpower by

发表于:2019-02-07 / 阅读(41) / 评论(0)

英语新闻

Russia resumes launch of Proton-M carrier rocket

MOSCOW, Sept. 21 (Xinhua) -- A Russian Proton-M carrier rocket carrying a military spacecraft blasted off early Wednesday from the Baikonur space center in Kazakhstan, the first launch since a series setbacks of Russian rocket launch in August. Colon

发表于:2019-02-09 / 阅读(66) / 评论(0)

英语新闻

Russia determines cause of failed satellite launch

MOSCOW, Aug. 30 (Xinhua) -- Russia's space agency said Tuesday that a Proton-M rocket launch failed earlier this month because of a malfunction in the upper stage. The conclusion was reached by an independent investigation commission following a seri

发表于:2019-02-11 / 阅读(48) / 评论(0)

英语新闻

Russia launches rocket with Chinese satellite

MOSCOW, Nov. 25 (Xinhua) -- Russia's Proton-M carrier rocket was launched on Friday from the Baikonur space center in Kazakhstan with a Chinese communications satellite AsiaSat-7, according to Russia's Federal Space Agency Roscosmos. Roscosmos' live

发表于:2019-02-18 / 阅读(64) / 评论(0)

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absolute braking distance

acid-hydrocarbon emulsion

amphicone

astrochanite

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automatic train speed regulation