以下为句子列表：
英文: However, the weightlessness rate of those composites was obviously higher than wood, and remainder rate was higher than wood, too.
中文: 但复合材料的失重率比木材明显小，残余物比率也明显高于木材。
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英文: The European Space Agency plans a second experiment in the coming months to test the effects of weightlessness in space on bone and muscle tissue.
中文: 欧洲航天局计划下周开展第二次试验，观察在太空中失重对骨髂和肌肉的影响。
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英文: There was the girl who, during summer vacation, left her house before 7 each morning to make a two-hour train ride to a major university, where she worked all day doing cutting-edge research for NASA on weightlessness in mice.
中文: 有一位女孩，在暑假期间，每天早晨7点离开家，乘坐两个小时的火车来到一所重点大学，在那里整天为美国宇航局做小白鼠失重的尖端研究。
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英文: This exhibit creates an environment simulating how astronauts walk on the moon, letting visitors experience the feeling of walking under conditions of weightlessness or little weight, and allowing audience members, especially young people and teenagers, t
中文: 展品为观众创造在地面条件下模拟宇航员在月球表面行走的环境，使观众体验微重力条件下行走时的飘浮感觉，培养观众、特别是青少年对航天活动的兴趣。
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