单词:satellite navigation earth station
单词:satellite navigation earth station 相关文章
Broadcast: May 7, 2003 By Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Phoebe Zimmermann with the VOA Special English program EXPLORATIONS. We have news about two exploration d
Researchers say that China's domestically-developed Beidou Navigation Satellite System brings the country closer to achieving its goal of building a satellite network with global coverage. The comments were made at the 9th China Satellite Navigation
EXPLORATIONS - Global Positioning System By Paul Thompson Broadcast: Wednesday, May 05, 2004 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Phoebe Zimmermann with the VOA Special Engli
Scientists Plan to Make 3-D Map of the Milky Way 科学家计划制作银河系的3d地图 From VOA Learning English, this is Science in the News. Im June Simms. And Im Jim Tedder. Today on the program, we tell about developments in space exploration
China has launched two satellites into space on a Long March carrier rocket from the Xichang Satellite Launch Center in Sichuan Province. The satellites are part of the country's growing BeiDou Navigation Satellite System. The launch of the Long Marc
Three new-generation BeiDou navigation satellites were launched last year, and 98 percent of the components were Chinese made. BeiDou Navigation Satellite System has been in operation since 2000, making China the third country with an autonomous nav-