文章來源：北斗三號 發(fa)布時間：2021-12-30
7月31日，北(bei)(bei)斗三號全(quan)球(qiu)衛星導(dao)航系統(tong)建成暨開通儀式在北(bei)(bei)京舉(ju)行(xing)。中共中央(yang)總書記、國家主(zhu)席(xi)、中央(yang)軍(jun)委主(zhu)席(xi)習近平(ping)出(chu)席(xi)儀式，宣布北(bei)(bei)斗三號全(quan)球(qiu)衛星導(dao)航系統(tong)正式開通。
北(bei)斗三號衛(wei)(wei)星(xing)(xing)(xing)(xing)導航系統是我國(guo)首次建成面向全(quan)球(qiu)(qiu)(qiu)提供導航服務的衛(wei)(wei)星(xing)(xing)(xing)(xing)系統，它由地球(qiu)(qiu)(qiu)中(zhong)圓(yuan)軌(gui)(gui)(gui)道(dao)(dao)衛(wei)(wei)星(xing)(xing)(xing)(xing)、傾斜(xie)地球(qiu)(qiu)(qiu)同步軌(gui)(gui)(gui)道(dao)(dao)衛(wei)(wei)星(xing)(xing)(xing)(xing)和(he)地球(qiu)(qiu)(qiu)靜止軌(gui)(gui)(gui)道(dao)(dao)衛(wei)(wei)星(xing)(xing)(xing)(xing)三種不同軌(gui)(gui)(gui)道(dao)(dao)的衛(wei)(wei)星(xing)(xing)(xing)(xing)組成，包括24顆地球(qiu)(qiu)(qiu)中(zhong)圓(yuan)軌(gui)(gui)(gui)道(dao)(dao)衛(wei)(wei)星(xing)(xing)(xing)(xing)，3顆傾斜(xie)地球(qiu)(qiu)(qiu)同步軌(gui)(gui)(gui)道(dao)(dao)衛(wei)(wei)星(xing)(xing)(xing)(xing)和(he)3顆地球(qiu)(qiu)(qiu)靜止軌(gui)(gui)(gui)道(dao)(dao)衛(wei)(wei)星(xing)(xing)(xing)(xing)。目前，全(quan)球(qiu)(qiu)(qiu)已有120余(yu)個國(guo)家和(he)地區使用(yong)北(bei)斗系統。
【責任編輯：趙藝涵】
