短語詞組短語SCS Synchronous Communication Satellite 同步通信衛(wèi)星SYNCOM Synchronous Communication Satellite 同步通信衛(wèi)星Synchronous Satellite Communication 同步衛(wèi)星通信;的同步衛(wèi)星通信;同步衛(wèi)星通信系統(tǒng)synchronous satellite communication system 同步衛(wèi)星通信系統(tǒng)Synchronous Satellite Communication system SSC 同步衛(wèi)星通信系統(tǒng)SSCS Synchronous Satellite Communication System 同步衛(wèi)星通信系統(tǒng) 返回 synchronous communication satellite