单词：geodetic satellite program
单词：geodetic satellite program 相关文章
Project Mercury: The American Space Program Begins SHIRLEY GRIFFITH: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mer
2012年VOA慢速英语(七)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
电信英语
By Anjana Pasricha New Delhi 23 April 2007 India has ventured on its first commercial space mission by launching an Italian satellite into space. As Anjana Pasricha reports from New Delhi, this marks a milestone for the country's space program. India
2007年VOA标准英语（四月）
South Korea has launched a rocket that was intended to place a satellite into space. However, the satellite has failed to go into orbit. South Korea's first space rocket, takes off from the launch pad at the Naro Space Center, south of Seoul, South
VOA标准英语2009年(八月)
EXPLORATIONS - Project Mercury: Soviet Successes Push U.S. to Build a Space Program From the Ground UpBy Marilyn Christiano and Frank Beardsley Broadcast: Wednesday, July 19, 2006 VOICE ONE: Explorati
2006年慢速英语（七）月
By Leta Hong Fincher Washington 14 September 2007 The Bush administration is planning to give domestic law enforcement agencies increased access to powerful spy satellite technology. The Department of Homeland Security says the satellites will be use
2007年VOA标准英语（九月）