The water resources quantity of the second assessment is less than that of the first assessment due to the comprehensive influence of climate and human activity.
与第一次评价相比，第二次评价水资源量有所减少，这是气候与人类活动综合作用的结果。
The paper discussed the definition , evaluated the assessment method , put forward the principles followed and established assessment model of water environment quality and quantity .
讨论了水环境质量的定义，评价了目前水环境质量的评价方法，提出了水环境质量评价应该遵循的原则，建立了水环境质量的评价模型。
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