央视网消息：上周，神二十乘组按计划开展了各项空间科学实（试）验，那么他们又解锁了什么新体验？一起来看看。 各项实（试）验稳步推进 在航天医学实验领域，三名航天员使用笔记本电脑等设备及相关软件完成了精细动作控制、元认知监控研究等多项实验测试工 作。此外，利用脑电设备获取了视觉运动加工、微重力关系认知等实验项目所需数据，助力地面科研人员持续开展研究。 "升级版"太空菜园迎来丰收时刻 站内设备勤维护 健康保障不能停 上周，乘组对低温存储装置进行了巡视及维护。在将实验样品由-80℃温区转移至新安装的空间冰箱后，完成了冷凝水检查及擦 拭等工作。此外，三名航天员完成了梦天实验舱内定向摄像机检查维护，以及笔记本电脑在轨测试等多项工作。 问天实验舱内，在随天舟九号上行的植物高效培养技术试验装置中，茁壮成长的生菜迎来了丰收时刻。上周，神二十乘组完成了 生菜的采集与存储工作。随后开启了新一轮栽培，一起猜猜这次是什么品种的植物吧。 在微重力物理科学领域，各项实验持续进行。乘组完成了燃烧柜实验插件点火头及燃烧器更换，无容器柜样品更换、轴心机构视 窗盖镜片更换等工作。上周，全系统压力应急演练按计划定期开展。演练主要模拟空间站面临内部失 ...

Core Points - The Shenzhou-20 astronaut crew, consisting of Chen Dong, Chen Zhongrui, and Wang Jie, is set to conduct their third extravehicular activity (EVA) soon after nearly five months in space [1] - The crew has successfully completed two EVAs, setting records for the shortest interval between entering the Chinese space station and the first EVA [3] - Chen Dong has become the first astronaut to complete EVAs from both the Wentian and Tianhe modules [5] Summary by Sections Extravehicular Activities - The first EVA was completed on May 22, marking a significant achievement shortly after the crew's arrival at the space station [1] - The second EVA was successfully conducted on June 26, marking the reopening of the node module's airlock after over three years [7] Tasks Accomplished - During the recent EVA, the crew installed the seventh space debris protection device, conducted inspections, and received supplies from the Tianzhou-9 cargo spacecraft, which delivered approximately 6.5 tons of materials [9] - The crew also managed the unpacking and maintenance of two new extravehicular suits, enhancing their operational capabilities [11] New Equipment and Experiments - The new extravehicular suits have a design life increased from three years and 15 missions to four years and 20 missions, indicating advancements in technology [12] - New experiments in plant cultivation and various aerospace medical studies are underway, alongside the operation of an intelligent flying robot named "Xiaohang" for collaborative experiments [14]

Group 1 - The Shenzhou-20 crew, consisting of astronauts Chen Dong, Chen Zhongrui, and Wang Jie, has been stationed at the Chinese space station for over three months, conducting various space science experiments and completing equipment installations with the Tianzhou-9 mission [1] - A new round of plant cultivation has officially started in the Wentian laboratory module, with the latest efficient plant cultivation technology being installed by the crew [3] - Ongoing research in aerospace medicine includes studies on bone metabolism and integrated omics, with astronauts performing blood sample collection and processing [5] Group 2 - The core muscle training device sent up with Tianzhou-9 has been introduced, allowing astronauts to perform resistance training to prevent muscle atrophy and improve adaptation to gravity upon return [7] - The intelligent material management system on the space station has been upgraded, functioning as a "smart manager" to track material consumption and location changes in real-time [7]

Group 1 - The Shenzhou-20 crew, consisting of astronauts Chen Dong, Chen Zhongrui, and Wang Jie, has been stationed at the Chinese space station for over three months, conducting various space science experiments and completing equipment installations with the Tianzhou-9 mission [1][4] - A new round of plant cultivation has officially started in the space station, utilizing the latest efficient plant cultivation technology [4] - Astronaut Wang Jie is conducting cell biology experiments, including sample image observation and preservation of cultured experimental units [6] Group 2 - Ongoing research in aerospace medicine includes studies on bone metabolism and integrated omics, with astronauts collecting and processing blood samples [8] - The intelligent flying robot "Xiao Hang" has been reactivated to assist the crew in various experiments, exploring efficient human-robot collaboration methods [10] - A core muscle training device has been installed, allowing astronauts to perform resistance training to prevent muscle atrophy and improve adaptation to gravity upon return [14] Group 3 - The material information intelligent management system has been upgraded, functioning as a "smart steward" to track material consumption and location changes in real-time [16]