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民用航空
释义
民用航空
Encyclopedia
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民用航空
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civil aviation
民用航空
使用航空器从事除了国防、警察和海关等国家航空活动以外的航空活动。分为运输航空和通用航空两部分。简称民航。
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period-eccentricity
period expense of books
period gap
period group
period health examination
periodic
periodic acid
periodic acid-Schiff reaction
periodic acid-Schiff reaction (PAS reaction)
periodical
periodical bibliography
periodical changes of endometrium
periodical cicada
periodical layout design
periodically correlated
periodically poled silica fiber
periodical potential
Periodical Publishers Association
periodicals of ethnic medicine
periodicals of traditional Chinese medicine
periodic arrangement
periodic attractor
periodic automorphism
periodic behavior
periodic boundary condition
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