权威例句
SyncomSyncomSyncom and its successorsSyncom: World’s First Geostationary SatelliteSYNCOM-Plus – An Optimized Residue Treatment ProcessEven Tesseral Harmonics in the Geopotential Derived from Syncom 2Attitude determination and control of SYNCOM, Early Bird, and applications technology satellites.Attitude determination and control of the Syncom, Early Bird, and applications technology satellitesVariation in ionospheric electron content measured by radio waves from Syncom 3A determination of Earth equatorial ellipticity from seven months of Syncom 2 longitude drift
