以下为句子列表：
英文: American space travel was a triumph; Europeans have had a harder time realising their dream.
中文: 美国人的空间漫步是一次凯旋；欧洲人却在实现他们梦想的过程中走得更为艰辛。
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英文: He or she makes space travel possible. Rocket scientists, however, can have problems just like anyone else.
中文: 他或她使得太空旅行成为可能。然而，火箭科学家,有跟别人一样的问题。
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英文: In order to inquire Space travel technology or Development constructions, please contact P Z ENGINEERING GMBH.
中文: Z ENGINEERING GMBH是一家令客户满意的工业型企业，该企业生产杰出的开发设计、发展结构,航天技术。
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英文: The document does spell out some health policies in detail, such as how much radiation astronauts can be exposed to from space travel (No more radiation than the amount that would increase the risk of cancer by 3 percent over the astronaut's career) and t
中文: 文件中的确详细载明某些健康政策，如太空人太空之旅会暴露于多大的辐射线下（太空人一生暴露于辐射的量，不得高于会使致癌率增加3%的剂量），另外，太空人每周工时不得超过48小时。
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英文: While last Thursday he became the first Chinese astronaut with the entry into outer space after he finished his outer space travel back to the earth.
中文: 但上星期四，当他完成太空旅行回到地球后，便称为“中国首位进入太空的宇航员”了。
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