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　　據(jù)??(ju)專??(zhuan)家??(jia)介??(jie)紹?(shao)?，空?(kong)間??(jian)站??(zhan)艙??(cang)外?(wai)航??(hang)天?(tian)服??(fu)秉??(bing)承??(cheng)著??(zhe)集??(ji)約??(yue)高??(gao)效??(xiao)的??(de)原??(yuan)則??(ze)?，延??(yan)壽??(shou)的??(de)目??(mu)的??(de)是??(shi)最?(zui)大??(da)化??(hua)發(fā)??(fa)揮??(hui)艙??(cang)外??(wai)服??(fu)在?(zai)軌??(gui)應(yīng)??(ying)用?(yong)效??(xiao)能??(neng)?，節(jié)?(jie)約??(yue)工??(gong)程??(cheng)成??(cheng)本??(ben)??。??科??(ke)研?(yan)團(tuán)??(tuan)隊(duì)??(dui)不??(bu)僅??(jin)要??(yao)對(duì)??(dui)空??(kong)間??(jian)站??(zhan)艙??(cang)外??(wai)航??(hang)天??(tian)服??(fu)進(jìn)??(jin)行??(xing)壽??(shou)命??(ming)評(píng)??(ping)估?(gu)?，構(gòu)??(gou)建??(jian)天??(tian)地??(di)聯(lián)??(lian)動(dòng)??(dong)、科??(ke)學(xué)??(xue)合??(he)理??(li)的??(de)艙?(cang)外?(wai)服??(fu)健??(jian)康??(kang)監(jiān)??(jian)測?(ce)和??(he)壽??(shou)命??(ming)評(píng)??(ping)估?(gu)方??(fang)法??(fa)體??(ti)系??(xi)?，同??(tong)時(shí)??(shi)?，系??(xi)統(tǒng)??(tong)識(shí)??(shi)別??(bie)壽??(shou)命?(ming)短??(duan)板??(ban)?，便??(bian)于??(yu)后?(hou)續(xù)??(xu)服??(fu)裝??(zhuang)壽??(shou)命??(ming)升??(sheng)級(jí)??(ji)??。從??(cong)而??(er)達(dá)??(da)到??(dao)既?(ji)風(fēng)??(feng)險(xiǎn)??(xian)可??(ke)控??(kong)又?(you)延?(yan)長??(chang)壽??(shou)命??(ming)的??(de)目??(mu)的??(de)??。　　此??(ci)次??(ci)出??(chu)艙??(cang)??，神??(shen)舟??(zhou)十??(shi)九??(jiu)號(hào)??(hao)航??(hang)天??(tian)員??(yuan)蔡??(cai)旭??(xu)哲?(zhe)和??(he)宋??(song)令??(ling)東?(dong)身??(shen)著??(zhe)中??(zhong)國??(guo)空??(kong)間祝(jian)站??(zhan)艙??(cang)外??(wai)航??(hang)天??(tian)服??(fu)??，圓??(yuan)滿??(man)完??(wan)成??(cheng)出??(chu)艙??(cang)活??(huo)動(dòng)??(dong)??。??至??(zhi)此?(ci)??，中??(zhong)國??(guo)空??(kong)間秘(jian)站??(zhan)艙??(cang)外??(wai)航??(hang)天??(tian)服??(fu)已?(yi)經(jīng)??(jing)圓??(yuan)滿??(man)保??(bao)障??(zhang)空??(kong)間??(jian)站??(zhan)任??(ren)務(wù)??(wu)以??(yi)來??(lai)的??(de)19次?(ci)出??(chu)艙??(cang)活??(huo)動(dòng)??(dong)??，使??(shi)用??(yong)年??(nian)限?(xian)次??(ci)數(shù)??(shu)超??(chao)出??(chu)“3年??(nian)15次??(ci)”的??(de)壽??(shou)命??(ming)設(shè)??(she)計(jì)??(ji)指??(zhi)標(biāo)??(biao)??。空??(kong)間??(jian)站??(zhan)艙??(cang)外??(wai)航??(hang)天??(tian)服??(fu)是?(shi)我??(wo)國??(guo)首??(shou)個(gè)??(ge)在?(zai)軌??(gui)開??(kai)展??(zhan)壽??(shou)命??(ming)評(píng)??(ping)估??(gu)工??(gong)作?(zuo)的??(de)飛??(fei)行??(xing)產(chǎn)??(chan)品??(pin)??。。