常見例句雙語例句Beidou I is Chinese satellite navigation and positioning system of first generation. It covers territory and its surrounding area.北斗一號是中國第一代區(qū)域性衛(wèi)星導航和定位系統(tǒng)。This paper introduces the short message communication technology of the Beidou satellite navigation guiding and positioning system.介紹了北斗衛(wèi)星導航定位系統(tǒng)的簡短通信技術。 返回 beidou satellite navigation and positioning system