摘 要: | China launched its first com-mercial mission after 6 yearssince July 1999. APStar 6, thecommunications satellite manufacturedby Alcatel Space, lifted off from XichangSatellite Launch Center and was put intopreset orbit by the LM-3B launch vehicleon the evening of April 1 2, 2005.At 20:00 on April 12, 2005, theLM-3B launch vehicle carried APStar 6into space and the satellite separatedfrom the launcher 20 minutes later. Thedata collected by Xi'an SatelliteMeasuring and Control Center s…
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