卫星天线辐射方向图

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(251) / 评论(0) 分类 自考英语(一)78讲

Researchers find circadian clock in Monarch's antenna plays a major role in navigation Shelley Schlender | Michoacn, Mexico 22 March 2010 Scientists believe antennas are critical to the navigation of the Monarch butterfly. Related Links Monarch Watch

发表于:2018-12-16 / 阅读(170) / 评论(0) 分类 VOA标准英语2010年(三月)

A volcano in Iceland had been dormant for more than 180 years. But then a few weeks ago, this started. The volcano is erupting, and some scientists say it could last for more than a year. That's about how long it went the last time this happened,th

发表于:2018-12-20 / 阅读(211) / 评论(0) 分类 CNN2010年(四)月

Brian didnt have cable TV. He didnt have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He looke

发表于:2019-01-02 / 阅读(201) / 评论(0) 分类 简单慢速英语阅读

Brian didn't have cable TV. He didn't have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He loo

发表于:2019-01-02 / 阅读(168) / 评论(0) 分类 原版英语小短文

Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.

发表于:2019-01-03 / 阅读(154) / 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(220) / 评论(0) 分类 电信英语

B-Mac - This is a method of transmitting and scrambling television signals; the are time-multiplexed with a digital burst that contains digitized sound, video synchronizing, authorization, or informat

发表于:2019-01-03 / 阅读(125) / 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(145) / 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(179) / 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(179) / 评论(0) 分类 2007年VOA标准英语(九月)

有关航空航天英语词汇 神舟七号 Shenzhou VII (spacecraft) 载人飞船 manned spaceship/ spacecraft 载人航天 manned space flight 多人多天太空飞行 multi-manned and multi-day space flight 载人航天计划 manned space program 航

发表于:2019-01-17 / 阅读(160) / 评论(0) 分类 实用英语

launch a satellite 发射卫星 launch pad 发射台 multistage rocket 多级火箭 second stage 第二级 third stage 第三级 orbit 轨道 artificial satellite 人造卫星 Telstar 通信卫星 ante

发表于:2019-01-17 / 阅读(166) / 评论(0) 分类 英文语法词汇

low Earth orbit 近地轨道 lunar module 登月舱 lunar rover 月球车 main landing field/ primary landing site 主着陆场 manned space 载人航天计划 manned space flight 载人航天 manned spaceship/ spacecraft 载人飞船 Milky Way 银河系

发表于:2019-02-03 / 阅读(160) / 评论(0) 分类 英文语法词汇

launch a satellite 发射卫星 launch pad 发射台 multistage rocket 多级火箭 second stage 第二级 third stage 第三级 orbit 轨道 artificial satellite 人造卫星 Telstar 通信卫星 ant

发表于:2019-02-06 / 阅读(135) / 评论(0) 分类 英文语法词汇

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(244) / 评论(0) 分类 音乐咖啡厅

Calsphere 卡尔斯菲尔美国拦截卫星 CAMEO(Chemically Activated Mater. Ejected inOrb.) 卡梅欧(轨道放射化学激活物质)美国科学卫星 Canister 茶叶罐美国小型军事空间站 C

发表于:2019-02-06 / 阅读(154) / 评论(0) 分类 英文语法词汇

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(161) / 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(177) / 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(180) / 评论(0) 分类 英语新闻
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