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水环境质量标准
释义
水环境质量标准
Encyclopedia
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水环境质量标准
释
water quality standards
水环境质量标准
为保护江河湖库等地面水域、地下水和海洋水环境免遭污染危害,保护饮用水水源和水资源的合理开发利用,保障人民身体健康,维护水生生态系统良性循环,结合不同水域功能用途和技术经济条件而制定的标准。简称水质标准。
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contravariant index
contravariant morphism functor
contravariant of a group
contravariant of a tensor
contravariant order
contravariant set system
contravariant spinor
contravariant tangent bundle
contravariant tensor
contravariant tensor algebra
contravariant tensor field
contravariant valence
contravariant vector
contravariant vector field
contributing source
contributing source, CSRC
contribution
Contribution Margin
contribution Monte Carlo method
contribution of injury and disease
contribution plot
contribution rate
contribution rate about fisheries science and technological progress
contribution rate adjustment
contribution rate of agricultural mechanization
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