短語詞組短語synchronous relay satellite 同步中繼衛(wèi)星sun synchronous orbit satellite 太陽同步軌道衛(wèi)星synchronous orbiting satellite 同步軌道衛(wèi)星synchronous meteorological satellite 同步氣象衛(wèi)星;同步景象衛(wèi)星;同步氣象形象衛(wèi)星synchronous communication satellite 同步通信衛(wèi)星SCS Synchronous Communication Satellite 同步通信衛(wèi)星SYNCOM Synchronous Communication Satellite 同步通信衛(wèi)星synchronous earth satellite 同步地球衛(wèi)星synchronous e satellite 同步衛(wèi)星 返回 synchronous satellite