短語詞組短語BOS Basic Operating System 基本;作系統(tǒng)Basic Control System Satellites 基本控制系統(tǒng)衛(wèi)星BCS Basic Control System 基本控制系統(tǒng)satellite basic control system [航]衛(wèi)星基本控制系統(tǒng)Basic automation system 基礎自動化系統(tǒng)basic sub system 基本子系統(tǒng)National Basic Medical System 國民基本醫(yī)療服務體系basic lawsuit system 基本訴訟制度basic unit system 基層體制 返回 basic system