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航天学
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航天学
Encyclopedia
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﹝基本概念﹞
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astronautics
航天学
研究航天基本原理和指导航天工程实践的综合性技术科学。又称宇宙航行学或宇航学。
Physics
交叉学科
天体物理学
space aeronautics
航天学
astronautics
航天学,宇宙航空学,星际航空学
Astronomy
space aeronautics
航天学
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safety protection
safety protection and guarantee on navigable waters
safety protection device
safety protection for beryllium poisoning
safety protection measures
safety protection of drainage systems
safety protection of hydrogen sulfide in well pad
safety protection space
safety protection textile design
safety protective devices design
safety protective fibers
safety psychology
safety range
safety regulation for blasting
safety regulations and standards of crane
safety regulations and standards of lift
safety regulations for blasting
safety regulations for nuclear power plant
safety regulations in coal mine
safety-related part of a control system
safety-related system
safety related systems for thermal power plants
safety requirements of lift
safety requirements of nuclear power plant
safety research management
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