星载数据收集分系统

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(172) / 评论(0) 分类 自考英语(一)78讲

美参议院就监听电话计划举行听证 Top U.S. intelligence and law enforcement officials say the governments vast domestic data collection activities do not infringe on citizens privacy but do help identify and defeat terrorist threats. Offi

发表于:2018-12-19 / 阅读(96) / 评论(0) 分类 VOA双语新闻 2013年8月

Delay - This is the wait time between to specific events, and regarding satellite communications, it is the time it takes for a signal to go from the transmission station up to orbit and through the s

发表于:2019-01-03 / 阅读(104) / 评论(0) 分类 电信英语

Analog - Transmitting information that is characterized by continuously variable quantities (such as with AM or FM). This is different from digital transmission, which is characterized by discrete bit

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 电信英语

BRI Basic Rate Interface 基本速率接口 BRI是最基本的用户/网络接口标准,一般包括一个D通道及两个B通道,称为2B+D。两条B信道可独立传输用户信息,D信道则传

发表于:2019-01-03 / 阅读(101) / 评论(0) 分类 电信英语

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(125) / 评论(0) 分类 好听的英文歌曲

National Weather Satellite Threatened by US Budget Cuts On May 22, 2011, a single massive tornado hit Joplin, Missouri, claiming more than 150 lives. But the death toll would have been much higher a century ago. With something of this magnitude, the

发表于:2019-01-14 / 阅读(75) / 评论(0) 分类 VOA标准英语2011年(八月)

US Phone Companies Fight Possible Changes In Data Collection 国安局收集电话记录引发担忧 WASHINGTON President Barack Obama is expected to announce Friday that he will modify the way U.S. intelligence agencies collect information. The pres

发表于:2019-01-14 / 阅读(93) / 评论(0) 分类 VOA标准英语2014年(一月)

New Data Adds to Understanding of 'Black Holes' WASHINGTON Scientists continue to learn more about black holes in space, places where the pull of gravity is so strong that not even light can escape. Black holes occur after supergiant stars explode in

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 VOA标准英语2016年(九月)

On June 6, China published the first batch of photos captured by Gaofen-1, China's first high-definition earth observation satellite. Those pictures will provide valuable information of natural condition and disaster prevention. Li Dong has the detai

发表于:2019-01-19 / 阅读(116) / 评论(0) 分类 世界各地新闻集锦

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(145) / 评论(0) 分类 2016CRI中国国际广播电台

NASA has accomplished another first. I guess my summary is really cool. Today we kicked up some moon dusts and all indications are.. its going to be a very interesting set of results. As we, uh, approach very rapidly the surface of the Cabeus crater.

发表于:2019-01-22 / 阅读(96) / 评论(0) 分类 自然百科2009年

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(114) / 评论(0) 分类 英语新闻

BEIJING, May 23 (Xinhua) -- The Ziyuan III satellite, launched on Jan. 9 to produce high-resolution imagery for civilian use, has sent back visual data covering 45.79 million square km of the globe as of May 18, according to an announcement on Wednes

发表于:2019-02-08 / 阅读(141) / 评论(0) 分类 英语新闻

RACHEL MARTIN, HOST: President Trump has amended several of his positions since inauguration. One thing has remained consistent, though, Trump's belief that the United States is getting a raw deal from international trade agreements. STEVE INSKEEP, H

发表于:2019-02-13 / 阅读(109) / 评论(0) 分类 2017年NPR美国国家公共电台5月

Discussion on US Domestic Surveillance Continues美国人继续讨论国内监控项目 CAPITOL HILL Top U.S. intelligence and law enforcement officials say the governments vast domestic data collection activities do not infringe on citizens privacy

发表于:2019-02-17 / 阅读(151) / 评论(0) 分类 VOA常速英语2013年(八月)

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(118) / 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(127) / 评论(0) 分类 英语新闻

Chinas first dark matter detection satellite Wukong has completed its in-orbit testing. The satellite was launched last December by a Long March rocket. Wukong has detected 460 million high energy particles, and sent about 2.4 terabytes of raw data b

发表于:2019-02-19 / 阅读(121) / 评论(0) 分类 cctv9英语新闻2016年

The State Administration of Science, Technology and Industry for National Defense released 17 pictures captured by Gaofen-4 on Wednesday, covering an area of at least 400 kilometers. The project's chief designer, Tong Xudong, said Gaofen-4 is in good

发表于:2019-02-21 / 阅读(148) / 评论(0) 分类 2016CRI中国国际广播电台