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。
Web streams are complex for users and implementers alike. The problems with the spec aren't bugs. They emerge from using the API exactly as designed. They aren't issues that can be fixed solely through incremental improvements. They're consequences of fundamental design choices. To improve things we need different foundations.。91视频对此有专业解读
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