这个方案的成功在于精密的计算，而且为通过控制整个供水系统计划一个大型城市的用水以及预测精确的需求量开辟了一个新天地。
The solution succeeds on all counts and breaks new ground by allowing the water utility of a major city to control the entire water supply system and forecast demand with precision.
应用该协同混合物的方法需要向水系统中加入有效量的经氧化剂活化的含氮化合物以及至少一种非氧化杀生物剂。
The method of using the synergistic mixtures entails adding an effective amount of a nitrogenous compound activated by an oxidant and at least one non-oxidizing biocide to an aqueous system.
体积互换关系描述的是非固结储水系统的形变量与地下水的超采量之间的体积等量关系。
The volume exchange relation portrays volume equation relations between land deformation and groundwater ultra picks quantity in unconsolidated aquifer-system.
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