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archival secrecy
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archival secrecy
Encyclopedia
管理学
档案保密
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archival secrecy
档案保密
各机关、单位和国家档案管理机构,为达到保守档案中国家秘密、商业秘密和个人隐私信息的目的,采取一定保密手段和防范措施,依法开展的一项业务活动。
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natural width
natural width of gamma ray spectrum
natural width of spectral line
natural width of γ-ray spectrum
Natural will
natural X-ray background
natural year
natural zeolite material
natural γ-ray background
natural γ-ray logger
Nature
nature
Nature and Destiny, theory of
nature and form
nature and society
nature and talent
nature as a whole and as a necessity
nature-based solution
nature climbing
nature conservation
Nature Conservation Act
nature defects of wood
nature exhibition
nature fiber thermoplastic composites
nature gas roll over
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