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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
China recently joined Russia and the US as the only space powers with demonstrated manned spaceflight capabilities.
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ESA's space science and earth science departments are located here, and so are the directorate of manned spaceflight and microgravity research.
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It is distributed free-of-charge to all readers interested in ESA's manned spaceflight and microgravity activities.
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It is free to all readers interested in ESA's manned spaceflight and microgravity activities.
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In future the needs of manned spaceflight are expected to become increasingly important when the International Space Station is taken into use.
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However the arguments we make are different to this and are focussed mainly upon the benefits to earth based science, medicine, technology and education which would accrue from a manned space flight programme.
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Manned space flight requires the highest degree of attention to crew safety, thus understanding and recognizing all potential risks involved.
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Demineralization of bone also poses one of the most severe limitations on long-duration manned space flight.
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Consequently, the first time the Shuttle was flown in a high altitude supersonic condition was during the first manned space flight in 1981.
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Finally, there are still many unresolved technical problems associated with prolonged manned space flight beyond the van Allen belts.
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Monitoring of Microbial Degraders in Manned Space Stations
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Regional correction of the IRI model by the data of ionospheric radio sounding from the Mir manned space station
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Regional correction of the IRI ionospheric model using the data of the satellite radio sounding from the Mir manned space station (MSS) is considered.
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Construction and investigation of ballistic diagrams of flight of a manned space vehicle to mars
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Since 1974 latest results from manned space missions were analized at the Austrian Institute of Aerospace-Medicine and Spacebiology in behalf of the question, which cosmic timer might influence human vital functions.
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| | As the duration of manned spaceflight becomes longer and as | | 载人航天时间的延长,乘员的增多,异质性以及航天特殊环境等因素均可产生相当大的心理应激和心理问题,甚至可危及生命安全和飞行任务的完成。航天中的应激源有物理的、生理的、心理的、和人际关系四大类。心理问题有隔离与狭小环境下发生的心理变化、时间知觉改变、超常体验、睡眠问题、动机问题以及心身症状和精神病问题。人际问题包括人际紧张、人际关系剥夺、乘员组的凝聚力下降和渲泄等。 | | 文摘来源 | |   |
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