zhongguohangtiankejijituanhuanghao：fenlidaozheluxiajiangguocheng，shouxianshiyigejianggui（biangui），cong200gongliguidaoxiajiangdao200×15gonglideguidao。zaizhegeguidaoshangqishiyehaishicunzaiyixiefengxiande，shouxianshijingzhundekongzhiguocheng，ranhoushidadaoyudingdeyigeguidao。中(zhong)国(guo)航(hang)天(tian)科(ke)技(ji)集(ji)团(tuan)黄(huang)昊(hao)：(：)分(fen)离(li)到(dao)着(zhe)陆(lu)下(xia)降(jiang)过(guo)程(cheng)，(，)首(shou)先(xian)是(shi)一(yi)个(ge)降(jiang)轨(gui)（(（)变(bian)轨(gui)）(）)，(，)从(cong)2(2)00公(gong)里(li)轨(gui)道(dao)下(xia)降(jiang)到(dao)2(2)00×(×)1(1)5(5)公(gong)里(li)的(de)轨(gui)道(dao)。(。)在(zai)这(zhe)个(ge)轨(gui)道(dao)上(shang)其(qi)实(shi)也(ye)还(hai)是(shi)存(cun)在(zai)一(yi)些(xie)风(feng)险(xian)的(de)，(，)首(shou)先(xian)是(shi)精(jing)准(zhun)的(de)控(kong)制(zhi)过(guo)程(cheng)，(，)然(ran)后(hou)是(shi)达(da)到(dao)预(yu)定(ding)的(de)一(yi)个(ge)轨(gui)道(dao)。(。)