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潜水作业
释义
潜水作业
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潜水作业
释
diving operation
潜水作业
人类或由人类控制的机械装置为完成水中捕获、查勘、打捞、施工及军事行动等进入水体、完成预定任务后返回水面所进行的水下活动。泛指人类一切有意识、有目的水下行为。
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conservation of Chinese ancient books
conservation of crop germplasm resources
conservation of energy
conservation of energy, energy conservation
conservation of fishery resources
conservation of herbage germplasm
conservation of magnetic flux
conservation of mass
conservation of mass-energy
conservation of mechanical energy
conservation of molecular orbital symmetry
conservation of moment of momentum
conservation of momentum
conservation of number principle
Conservation of Oil Paintings
conservation of orbital symmetry
conservation of particle number
conservation of rare and endangered medicinal resources
conservation of resource theory
conservation of tea germplasm
conservation of terrestrial ecology
conservation of vorticity
conservation of water source areas
conservation planning
Conservation Plan of Beihai Historic City
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