爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.tracking and data relay satellite
跟踪和数据中继卫星收藏指正
2.The characteristics and key techniques of TDRS-A~G, TDRS-H~J, ARTEMIS, ETS-VI, COMETS and DRTS are analyzed and the control methods of some satellites in this field are described, which can serve as references for the control system scheme of Chinese Tracking and Data Relay Satellite.
文章介绍了美国第一代中继卫星TDRS-A～G、美国第二代中继卫星TDRS-H～J、欧洲试验中继卫星ARTEMIS、日本的试验卫星ETS-VI、试验中继卫星COMETS以及实用中继卫星DRTS等卫星的特点及关键控制技术,同时描述了部分中继卫星的控制方法,对我国中继卫星控制系统方案的确定具有一定的借鉴意义。收藏指正
3.At present, Tibet has 137 television and TV video relay stations and television transposer stations, 297 ground satellite stations, 26 radio broadcasting, relay and transmitting stations, and 74 wire broadcasting stations at prefectural and county levels. A broadcasting and television network which covers the whole region and combines satellite and wireless transmission with wire broadcasting has initially taken shape in Tibet.
目前全自治区有电视台、电视录像转播台和电视差转台共计137座，卫星地面接收站297座，广播电台、转播台、发射台共26座，各地县有线广播站74个，初步形成覆盖全区的卫星传输、无线电传输和有线广播传输相结合的广播电视网。收藏指正
4.Scientists have set up two kinds of relay stations. One kind is on the earth, the other is a satellite placed in space around the earth.
科学家们已建立了两种中继站，一种在地球上，而另一种是放在地球周围太空中的卫星上。收藏指正
5.Since there was no satellite to relay broadcasts across the Atlantic, CBS flew tapes to New York City daily.
由于没有卫星，无法跨越大西洋转播奥运会的盛况，美国哥伦比亚广播公司就每天把录像带空运到纽约市。收藏指正
尝试查询