global communication satellite system

基本解释

CompassⅠis a new Global Navigation Satellite System developed by china; it has communication and time transfer capability.
北鬭一號是我國自行研制的新型衛星導航定位系統，同時兼有通訊和授時功能。
This paper introduces the present and future of Global mobile Satellite communication system. IRIDIUM system is also introduced.
本文介紹全球移動衛星通信系統的現狀、種類及其將來的發展趨勢。對“銥”星系統也作了介紹。
LEO satellite mobile communication system has become an important branch of global mobile communications system since it proposed.
低軌衛星移動通信系統自從提出以來就成爲全球移動通信系統的一個重要分支。