HJ-1A and HJ-1B small satellites were launched atop a LM- 2C/SMA on September 6,2008 from Taiyuan Satellite Launch Center. The satellites began to transmit
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机译：@@ HJ-1A and HJ-1B small satellites were launched atop a LM-2C/SMA on September 6, 2008 from Taiyuan Satellite Launch Center. The satellites began to transmit back images from September 8 and the constellation formed on October 13. After 5 months of orbit testing and operationevaluation, China's first optical satelliteconstellation passed its performancereview and was delivered to the Ministryof Civil Affairs and the Ministry ofEnvironmental Protection by ChinaAerospace Science and Technology Corporation and China Satellite Launch6 Tracking Control General.
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