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核武器寿命
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核武器寿命
Encyclopedia
工学
核武器可靠性
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nuclear weapon's service life
核武器寿命
核武器从交付使用之日起,在规定条件下能保持规定性能的时间。它和核武器的设计、材料的选用、加工制造、贮存状态、贮存环境和使用环境密切相关。
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urban planning regulation system
Urban Planning Society of China
urban plant
urban plaza public space design
urban politics
urban population
urban population base of China
urban population density
urban population distribution in China
urban population problems in China
urban population projection
urban population size in the administration area of city
urban population structure
urban postal system planning
urban power distribution network
urban power supply sources
urban power supply system planning
urban primacy
urban problems in China
urban protected areas
urban public art
urban public center system
urban public economy
urban public facilities
urban public facilities design
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