中子质子交换力

美国有线新闻 CNN 2014-06-08

It's great to have you watching CNN Student News, this is our second to last show of the school year, I'm Carl Azuz, and I am glad to bring it to you. With covered a lot of back and forth this week surrounding a controversial prisoner exchange, in or

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CNN2014年(六)月

New York Stock Exchange

By Mario Ritter Broadcast: November 7, 2003 This is Bob Doughty with the VOA Special English Economics Report. The largest 1)stock market in the world is the New York Stock Exchange. It is also the ol

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VOA2003（下）-农业与经济

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

Hourly News updated 10:00 2011/10/18

The South China Sea issue should be resolved bilaterally: China China says multi-national talks will not help resolve disputes in the South China Sea, but may make the issue even more complicated. The comments come after Japan proposed a multi-latera

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Hourly News 每小时新闻

China, Russia vow to advance cultural exchange

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英语新闻

万物简史第198期:威力巨大的原子(12)

Let us pause for a moment and consider the structure of the atom as we know it now. Every atom is made from three kinds of elementary particles: protons, which have a positive electrical charge; electrons, which have a negative electrical charge; and

发表于:2019-02-25 / 阅读(63) / 评论(0)

万物简史

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