6个航天员乘组、18人次在轨长期驻留，累计进行13次航天员出舱和多次应用载荷出舱，开展多次舱外维修任务，刷新航天员单次出舱活动时长的世界纪录，完成包括港澳载荷专家在内的第四批预备航天员选拔、低成本货物运输系统择优并启动研制等工作。
sciencealert.com
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Mumsnet has launched a campaign to introduce a ban on social media for under-16s featuring health warnings in the style of those on cigarette packets.
I signed anonymously but now want to put my name on it. How can I fix that?