Indicative
发表于 2025-3-25 05:25:16
Measure the Body Weight on Space Station,In space, astronauts must pay even more attention to their health and physical conditions than we do on Earth. How do astronauts measure their body weight on the space station? Can they use a spring scale or balance like they do on the ground?
Hemodialysis
发表于 2025-3-25 11:19:10
The Gyroscope on Space Station,Gyro toy for children has existed for thousands of years. Examples are found in archeological artifacts from many societies around the world.
dowagers-hump
发表于 2025-3-25 15:04:40
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aptitude
发表于 2025-3-25 18:31:30
Viewing the Universe and Earth on a Space Station,On the ground, looking up at the stars in the night sky is indeed a pleasant and romantic thing, and evokes infinite reverie.
孤独无助
发表于 2025-3-25 21:49:36
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acolyte
发表于 2025-3-26 03:28:29
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枕垫
发表于 2025-3-26 04:47:15
Extended Knowledge and Products Based on Space Exploration,It is reported that more than 60 women astronauts, while the number of male astronauts of about 500, have flown in space, so the gender ratio of women to men is only 12%, since the first Russia woman, Valentina Tereshkova (Vostok 6), flown in space on June 16, 1963.
期满
发表于 2025-3-26 09:48:19
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离开真充足
发表于 2025-3-26 14:19:29
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侵害
发表于 2025-3-26 19:36:38
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