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學習快評丨qibao666888　　天?(tian)鏈??(lian)二??(er)號??(hao)04星??(xing)由?(you)中??(zhong)國??(guo)航??(hang)天??(tian)科?(ke)技??(ji)集??(ji)團??(tuan)五??(wu)院?(yuan)抓??(zhua)總??(zong)研?(yan)制?(zhi)??，是??(shi)中??(zhong)國??(guo)第??(di)二??(er)代??(dai)地??(di)球??(qiu)同??(tong)步??(bu)軌??(gui)道??(dao)數(shù)??(shu)據(jù)??(ju)中??(zhong)繼??(ji)衛(wèi)??(wei)星??(xing)??，主??(zhu)要??(yao)用??(yong)于??(yu)為??(wei)飛??(fei)船??(chuan)、空??(kong)間??(jian)站?(zhan)等??(deng)載??(zai)人??(ren)航??(hang)天??(tian)器??(qi)??，以??(yi)及??(ji)中??(zhong)、低??(di)軌??(gui)道??(dao)資??(zi)源??(yuan)衛(wèi)??(wei)星??(xing)提??(ti)供??(gong)數(shù)??(shu)據(jù)??(ju)中??(zhong)繼??(ji)和??(he)測??(ce)控??(kong)服??(fu)務??(wu)??，為??(wei)航??(hang)天??(tian)器??(qi)發(fā)??(fa)射?(she)提??(ti)供??(gong)測??(ce)控??(kong)支??(zhi)持??(chi)??。??　　當??(dang)前??(qian)??，中??(zhong)國??(guo)已??(yi)經(jīng)??(jing)成??(cheng)功??(gong)研??(yan)制??(zhi)兩??(liang)代??(dai)地??(di)球??(qiu)同?(tong)步??(bu)軌??(gui)道??(dao)中??(zhong)繼??(ji)衛(wèi)??(wei)星??(xing)系??(xi)統(tǒng)??(tong)??。??第??(di)一??(yi)代??(dai)成?(cheng)功??(gong)發(fā)?(fa)射??(she)天??(tian)鏈??(lian)一??(yi)號??(hao)01至?(zhi)05五?(wu)顆??(ke)衛(wèi)??(wei)星??(xing)??，第??(di)二??(er)代??(dai)目??(mu)前?(qian)已??(yi)成??(cheng)功??(gong)發(fā)??(fa)射??(she)天??(tian)鏈??(lian)二??(er)號??(hao)01至?(zhi)04四?(si)顆??(ke)衛(wèi)??(wei)星??(xing)??。相??(xiang)比??(bi)天??(tian)鏈??(lian)二??(er)號?(hao)03星??(xing)??，天??(tian)鏈??(lian)二??(er)號??(hao)04星??(xing)在??(zai)傳??(chuan)輸??(shu)能?(neng)力??(li)、響??(xiang)應??(ying)速??(su)度??(du)等??(deng)方??(fang)面??(mian)進??(jin)行??(xing)了?(le)多??(duo)項??(xiang)技??(ji)術(shù)??(shu)狀??(zhuang)態(tài)??(tai)改??(gai)進??(jin)??，除??(chu)了??(le)滿??(man)足??(zu)國??(guo)內(nèi)??(nei)對??(dui)信??(xin)息??(xi)測??(ce)控??(kong)日??(ri)益??(yi)增??(zeng)長??(chang)的??(de)需??(xu)求??(qiu)??，也??(ye)將??(jiang)提??(ti)高??(gao)中??(zhong)國??(guo)第??(di)二??(er)代??(dai)地??(di)球??(qiu)同??(tong)步??(bu)軌??(gui)道??(dao)中??(zhong)繼??(ji)衛(wèi)??(wei)星?(xing)的??(de)自??(zi)主??(zhu)性??(xing)、安??(an)全??(quan)性??(xing)??。。