卫星地面保障

LESSoN EIGHT TEXT Telecommunication via Satellite At the beginning of the twentieth century, there were four powerful means of transmitting and receiving information over long distances: print, photog

发表于:2018-12-01 / 阅读(253) / 评论(0) 分类 自考英语(一)78讲

A Stationary Satellite, part 1 Some of the best devices in science have been anticipated by science fiction writers years before they existed. Occasionally a writer comes up with an idea that can be put into practice within their lifetime! Such is th

发表于:2018-12-31 / 阅读(138) / 评论(0) 分类 英语听力文摘 English Digest

By Robert Berger Jerusalem 15 February 2008 There is growing public pressure on the Israeli government to send the army into the Hamas-ruled Gaza Strip. But as Robert Berger reports from VOA's Jerusalem bureau, the government fears the consequences.

发表于:2019-01-03 / 阅读(140) / 评论(0) 分类 VOA常速英语2008年(二月)

Ground - Connecting the Earth to electrical equipment with a conductor. This is done so current overloads (perhaps due to a lightning strike) can be safely diverted to the Earth. Ground Fault Circuit

发表于:2019-01-03 / 阅读(149) / 评论(0) 分类 电信英语

By Cindy Saine Washington 14 February 2008 The Defense Department says it is planning to shoot down a defunct U.S. spy satellite before it is expected to hit the Earth in early March, because of potential danger to human beings from its unburned rock

发表于:2019-01-09 / 阅读(149) / 评论(0) 分类 VOA常速英语2008年(二月)

banaroo--Be my Satellite dam daba dam daba daba da daba da daba da daba da hear my s.o.s. dam daba dam daba daba da daba da daba da daba da hear my s.o.s. calling you calling you i need you today cause i lost my direction in the endless milky way eme

发表于:2019-01-11 / 阅读(185) / 评论(0) 分类 好听的英文歌曲

By Peter Fedynsky Moscov 06 September 2007 Kazakhstan has suspended launches of the Russian Proton rocket at the Baikonur Space Center following a failed liftoff and loss of the payload, a Japanese communications satellite. VOA Moscow Correspondent P

发表于:2019-01-11 / 阅读(183) / 评论(0) 分类 2007年VOA标准英语(九月)

Quantum communication boasts ultra-high security as a quantum photon can neither be separated nor duplicated. It is hence impossible to wiretap, intercept or crack the information transmitted through it. Anton Zeilinger, an Austrian physicist at the

发表于:2019-01-19 / 阅读(199) / 评论(0) 分类 2016CRI中国国际广播电台

By Lisa Schlein Geneva 13 June 2007 South African Archbishop Desmond Tutu calls the fighting between Hamas and Fatah in the Gaza Strip a natural consequence of years of occupation. The archbishop, who headed a high-level fact-finding mission to the P

发表于:2019-02-01 / 阅读(172) / 评论(0) 分类 2007年VOA标准英语(六月)

The world's first quantum satellite is currently in the middle of in-orbit testing, and will carry out additional scientific tests after November, the Chinese Academy of Sciences (CAS) announced on Oct. 12. 根据中科院10月12日公布的消息,全

发表于:2019-02-03 / 阅读(155) / 评论(0) 分类 英语新闻

今天我们要学的词是battleground。 Battleground, 是战场的意思。美国总统大选民主、共和两党势均力敌,选举结果在很多程度上取决于所谓的 battleground states战场州,也就是候选人支持率不相上下的

发表于:2019-02-05 / 阅读(129) / 评论(0) 分类 英语单词荟萃

音乐咖啡厅:Michael Learns To Rock - Lonely Satellite 相关介绍:《Eternity》是摇滚麦克的最新录音室创作大碟,专辑由乐团吉他手/主唱Mikkel Lentz担纲制作大任,专辑在丹麦的哥本哈根以及瑞典的哥德

发表于:2019-02-06 / 阅读(247) / 评论(0) 分类 音乐咖啡厅

XICHANG, Sichuan, June 21 (Xinhua) -- China successfully launched a new communication satellite, the Zhongxing-10, from its Xichang Satellite Launch Center in southwest Sichuan Province on early Tuesday. The satellite, carried by a Long March-3B rock

发表于:2019-02-07 / 阅读(164) / 评论(0) 分类 英语新闻

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(152) / 评论(0) 分类 英语新闻

MOSCOW, June 27 (Xinhua) -- Russia successfully launched a Cosmos class military satellite on Monday, said spokesman of the Russian Space Forces Alexei Zolotukhin. A Soyuz-U carrier rocket carrying the military satellite blasted off from the Plesetsk

发表于:2019-02-11 / 阅读(180) / 评论(0) 分类 英语新闻

XICHANG, May 27 (Xinhua) -- China successfully sent a telecommunication satellite, ChinaSat 2A, into orbit on Saturday evening, using a Long March-3B carrier rocket launched from the southwestern Xichang Satellite Launch Center. The rocket blasted of

发表于:2019-02-11 / 阅读(206) / 评论(0) 分类 英语新闻

TEHRAN, Oct. 9 (Xinhua) -- Iran is going to launch domestically- built Navid satellite by Safir satellite launcher by the end of March 2012, the semi-official Mehr news agency reported on Sunday. Navid (promise) is a research satellite and is current

发表于:2019-02-18 / 阅读(165) / 评论(0) 分类 英语新闻

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(180) / 评论(0) 分类 英语新闻

XICHANG, Sichuan, July 12 (Xinhua) -- China blasted off a new data relay satellite Tianlian I-02 on Monday at the Xichang Satellite Launch Center in southwest Sichuan Province . The satellite was launched on a Long March-3C carrier rocket at 11:41 p.

发表于:2019-02-18 / 阅读(182) / 评论(0) 分类 英语新闻

Chinese netizens recently expressed their hope to use China's Beidou Navigation Satellite System, after some reports show that its accuracy can be improved to less than one meter. Our reporter Liu Min talked to Dr. Yang Yuguang, a Professor from the

发表于:2019-02-22 / 阅读(227) / 评论(0) 分类 2018CRI中国国际广播电台
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