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据www.spacedaily.com网站报道,美国空军和洛克希德·马丁公司最近将天基红外系统(SBIRS)的第二颗地球同步轨道卫星(GEO-2)运
According to www.spacedaily.com, the U.S. Air Force and Lockheed Martin recently shipped the second Geosynchronous Orbiting Satellite (GEO-2) of the Space-based Infrared System (SBIRS)