河流作为环境因子中的重要因素，更应该被纳入保护范围。
As an important element of the environmental factors, rivers should be contained in the scope of protection.
由于功能区水质状况受诸多因素影响，复杂多变，规划设计的功能区水质保护目标能否实现，主要决定于对功能区各类水质超标风险因子的防御和调控能力。
The main goal of water resources protection is to meet the requirement for water quality standard in water function zones. The water quality in function zones is affected by many factors.
由于功能区水质状况受诸多因素影响，复杂多变，规划设计的功能区水质保护目标能否实现，主要决定于对功能区各类水质超标风险因子的防御和调控能力。
The main goal of water resources protection is to meet the requirement for water quality standard in water function zones. The water quality in function zones is affected by many factors.
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