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20年!这支队伍在太空上画出“龙的轨迹”

2018-01-21 19:50:38    中国青年网

2018年1月5日,包括11名曾经出征太空的航天员在内的全体航天员重温入队誓词。他们表示要将荣誉“归零”,面向新的使命与挑战重新出发。

零淘汰率,英雄如何“炼成”

从飞行员到航天员的转变是一个巨大跨越,这个英雄群体是用热血与汗水“炼成”。此次采访,外界才知个中艰辛。

——低压缺氧检查,航天员们冒着氮气在血管中形成气泡甚至气栓的风险,相当于以每秒15米的速度被提升至海拔5000多米的唐古拉山;

图为聂海胜在做离心机测试训练准备工作的资料图片。中新社发 秦宪安 摄

——超重耐力训练,航天员们要在高速旋转的离心机里承受40秒的8倍重力加速度,往往面部肌肉变形、呼吸异常困难,但从未有人请求暂停;

——模拟失重训练,航天员们要经受失重模拟飞机一个架次沿抛物线连续12次的俯冲、拉起,或是连续三四个小时穿着160多公斤的水下训练服,每次训练下来体重都要减轻四五斤;

图为“神舟七号”航天员出征前训练图片。中新社发 秦宪安 摄 图片来源:CNSPHOTO

——飞行程序训练,航天员们要背记上百万字的飞行手册,推演上千条指令,做的笔记摞起来比桌子还高;

——头低位卧床训练,航天员们还要连续7日保持负6度卧姿,往往是脸部充血、鼻塞头痛、胸闷失眠,他们还要在狭小密闭的隔离舱内进行抗疲劳抗寂寞考验,或是72小时连续工作以提高心理承受能力。

需指出的是,中国先后选拔的两批21名航天员全部通过30多门基础理论知识和100多个科目训练的考核,全部具备独立执行载人航天飞行任务的能力,创造了世界航天员训练“零淘汰率”的纪录。

图为航天员景海鹏、刘旺在返回舱进行手控交会对接训练。中新社发 秦宪安 摄 图片来源:CNSPHOTO

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