文(wen)章來源：北斗(dou)三號 發布時間：2021-12-30
7月31日，北斗三(san)號全球(qiu)衛星導(dao)航系統(tong)建成(cheng)暨開通(tong)(tong)儀(yi)式在北京舉(ju)行。中(zhong)共中(zhong)央總書記(ji)、國家主席、中(zhong)央軍委(wei)主席習(xi)近平出席儀(yi)式，宣布(bu)北斗三(san)號全球(qiu)衛星導(dao)航系統(tong)正(zheng)式開通(tong)(tong)。
北斗三號衛(wei)(wei)星(xing)(xing)導(dao)航系(xi)統(tong)是(shi)我國(guo)(guo)首次(ci)建成面向全球(qiu)(qiu)(qiu)(qiu)提(ti)供導(dao)航服務的衛(wei)(wei)星(xing)(xing)系(xi)統(tong)，它由地(di)(di)球(qiu)(qiu)(qiu)(qiu)中(zhong)圓軌(gui)(gui)道(dao)衛(wei)(wei)星(xing)(xing)、傾(qing)(qing)斜(xie)地(di)(di)球(qiu)(qiu)(qiu)(qiu)同步軌(gui)(gui)道(dao)衛(wei)(wei)星(xing)(xing)和地(di)(di)球(qiu)(qiu)(qiu)(qiu)靜止(zhi)軌(gui)(gui)道(dao)衛(wei)(wei)星(xing)(xing)三種不(bu)同軌(gui)(gui)道(dao)的衛(wei)(wei)星(xing)(xing)組成，包括24顆地(di)(di)球(qiu)(qiu)(qiu)(qiu)中(zhong)圓軌(gui)(gui)道(dao)衛(wei)(wei)星(xing)(xing)，3顆傾(qing)(qing)斜(xie)地(di)(di)球(qiu)(qiu)(qiu)(qiu)同步軌(gui)(gui)道(dao)衛(wei)(wei)星(xing)(xing)和3顆地(di)(di)球(qiu)(qiu)(qiu)(qiu)靜止(zhi)軌(gui)(gui)道(dao)衛(wei)(wei)星(xing)(xing)。目前，全球(qiu)(qiu)(qiu)(qiu)已有120余個國(guo)(guo)家和地(di)(di)區使用北斗系(xi)統(tong)。
【責(ze)任編輯：趙藝涵】
