雷达作用区

CCTV9英语新闻：法国官员称阿尔及利亚航班“不太可能”系被击落

Full coverage: Air Algerie Flight Lost Radar Contact after Takeoff French President Francois Hollande has issued a statement, saying Air Algerie flight AH-5017 with 116 people onboard, crashed in Mali, near the border with Burkina Faso. The statement

发表于:2019-01-05 / 阅读(48) / 评论(0)

CCTV9英语新闻2014年07月

CCTV9英语新闻：法国总统奥朗德称阿航坠毁客机上没有幸存者

Full coverage: Air Algerie Flight Lost Radar Contact after Takeoff French President Francois Hollande said Friday there were no survivors of the downed Air Algerie jetliner, and one of the aircrafts two black boxes has been found in the wreckage. Fre

发表于:2019-01-05 / 阅读(64) / 评论(0)

CCTV9英语新闻2014年07月

美国有线新闻 CNN 2016-7-14

AZUZ: If you`re scared of lightning, this will make you jump. A National Weather Service technician was recording a recent storm. He was indoors where we should be during a thunderstorm. But this was a little close. 如果你害怕闪电，这会让你

发表于:2019-01-19 / 阅读(98) / 评论(0)

CNN美国有线新闻2016年7月

经济学人254:低成本雷达值得一看的节目

Science and technology 科学技术 Low-cost radar 低成本雷达 A programme worth watching 值得一看的节目 How air-traffic control can use television signals to plot aircraft 空中交通管制局如何利用电视信号找出飞行器位置？

发表于:2019-02-05 / 阅读(38) / 评论(0)

经济学人科技系列

CCTV9英语新闻：阿航客机坠毁没有发现生还者

Full coverage: Air Algerie Flight Lost Radar Contact after Takeoff The first images of the Air Algerie flight AH5017 crash site in Mali have emerged a day after plane crashed with 116 people on board. The footage was filmed by soldiers from Burkina F

发表于:2019-02-06 / 阅读(81) / 评论(0)

CCTV9英语新闻2014年07月

2016年CRI World's largest radio telescope completes installation

The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for

发表于:2019-02-21 / 阅读(79) / 评论(0)

2016CRI中国国际广播电台

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Addams, Charles Samuel

advanced nuclear fuel reprocessing process