摘要
China successfully launched the Yaogan 21 remote sensing satellite at 11:22 Beijing time on September 8 from the TSLC.The LM-4B carrier rocket also carried the Tiantuo 2 satellite,designed and built by the National University of Defense Technology(NUDT).The satellites were put into their preset orbits.
China successfully launched the Yaogan 21 remote sensing satellite at 11：22 Beijing time on September 8 from the TSLC. The LM-4B carier rocket also carried the Tiantuo 2 satellite, designed and built by the National University of Defense Technology （NUDT）. The satellites were put into their preset orbits.
