但是传统的活性污泥法工艺存在工艺流程长、污水停留时间长、单位面积处理能力低、反应池占地面积大、污泥膨胀等缺点。
But the conventional activated sludge process technology has some shortcomings: long water residence time, low processing power per unit area, large area reactor, sludge bulking and so on.
在决策结果的评价方面，本文综合了灭火时间、过火面积、火灾损失等各方面因素，提出了一套评价体系，并建立了决策结果评价模型应用于决策模块之中。
Considering of fire suppression time, fire area, fire loss and so on, the paper introduces a series of estimation system, founds estimation model of decision result.
通过扩大雨水储蓄面积、增加雨水在支流上的停留时间等方式，可以实现雨水调度，增加可利用的淡水资源量。
We can realize rain attempering and make good use of fresh water resources by expanding the reserving space of water and increasing the resting time of rain water in distributaries.
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