单词：global navigational satellite system
单词：global navigational satellite system 相关文章
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
2018CRI中国国际广播电台
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
Explorations
By David McAlary Washington 21 November 2006 The U.S. space agency NASA says its oldest satellite orbiting Mars has probably ended its career. NASA engineers lost contact with it about three weeks ago and are losing hope of ever hearing from it agai
2006年VOA标准英语（十一月)
By Carol Pearson Washington 18 May 2007 The technology that helps drivers to navigate roads and soldiers to map their positions is now helping doctors repair worn-out knees. The medical procedure is called navigational knee surgery. VOA's Carol Pears
2007年VOA标准英语（五月）
Galaxy 银河美国电视中继卫星 Galileo 伽利略美国木星探测器 Gals 航向前苏联国内军政通信卫星 Gambit 策略美国照相侦察卫星 Gamma 伽玛前苏联伽玛射线天文卫星
英文语法词汇
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-
英语新闻