短語詞組短語GEO Geostationary Earth Orbit 對地靜止軌道;相對地球靜止軌道靜止衛(wèi)星GSO Geostationary Earth Orbit Satellite 靜止地球軌道衛(wèi)星geostationary earth orbit mobile -satellite communications 同步衛(wèi)星移動通信 返回 geostationary earth orbit