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　　神??(shen)舟??(zhou)十??(shi)九??(jiu)號(hào)??(hao)乘??(cheng)組??(zu)的??(de)第??(di)三??(san)次??(ci)出?(chu)艙??(cang)活?(huo)動(dòng)?(dong)??，也??(ye)是??(shi)空??(kong)間??(jian)站??(zhan)階??(jie)段??(duan)的??(de)第??(di)19次?(ci)出??(chu)艙??(cang)活??(huo)動(dòng)??(dong)??，這??(zhe)次??(ci)出??(chu)艙?(cang)任??(ren)務(wù)??(wu)具??(ju)有??(you)出??(chu)艙??(cang)設(shè)??(she)備??(bei)多??(duo)、設(shè)??(she)備??(bei)尺??(chi)寸?(cun)大??(da)、安?(an)裝??(zhuang)點(diǎn)??(dian)位??(wei)多??(duo)的??(de)特??(te)點(diǎn)?(dian)和??(he)難??(nan)點(diǎn)??(dian)??，天??(tian)地??(di)密??(mi)切?(qie)協(xié)??(xie)同??(tong)??，圓??(yuan)滿?(man)完??(wan)成??(cheng)了??(le)神?(shen)十??(shi)九??(jiu)乘??(cheng)組??(zu)出??(chu)艙??(cang)活??(huo)動(dòng)?(dong)的??(de)收??(shou)官??(guan)任??(ren)務(wù)??(wu)??。??　　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)的祝(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(cè)??(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(zhǎng)??(chang)壽??(shou)命??(ming)的?(de)目?(mu)的??(de)??。。