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.
现场应用表明，该计算方法简单、快速，工作量小，是油田切实可行的注水系统效率计算方法。
The site application shows that the method is simple, fast and with small workload, and it is a really feasible method for oilfield water injection efficiency calculation.
结果表明：运用该程序对矿井供水系统进行优化，计算量小，效率高，结果可靠，能最大程度降低运行成本。
The result shows that optimization using this procedure leads to much less amount of calculation, higher efficiency, reliable results and minimal operational cost.
油田开采后期，采出液中含水率很高且采出液量极不稳定，这就导致原油电脱水系统频繁受到大的干扰。
In the later period of oilfield development, high water cut in produced fluid and unstable produced fluid volume may cause big and frequent disturbance in the electric dehydration system of crude oil.
牵伸机的蒸汽冷凝疏水系统的优劣决定了辊筒表面温度的高低和蒸汽消耗量的大小。
The high or low of surface temperature of roller and the big or small of steam wastage is decided by the good or bad of steam condensation and draining system of stretch machine.
第三阶段应实现总需水量低于地下水系统补给资源量，使数十年超采造成的储存资源亏空逐年得以偿还。
In the third step, the total water requirement should be less than the renewable resources to compensate for the loss of storage resources due to the exploitation in the previous steps.
该含水系统地下水排泄方式较复杂，在基岩覆盖区，顶托排泄量占总排泄量的59.2%。
The drainage pattern of the aquatic system is complex. In rocky area, the drainage of the top beds of the system makes up 59.2% of the total drainage.
皇明集团的太阳能产量惊人，年推广量高达两百万平方米，相当于美国此类热水系统年销量的两倍。
The company makes solar water heaters in huge volumes—some 2 million square meters worth each year, equal to twice all such sales in the U.
皇明集团的太阳能产量惊人，年推广量高达两百万平方米，相当于美国此类热水系统年销量的两倍。
The company makes solar water heaters in huge volumes—some 2 million square meters worth each year, equal to twice all such sales in the U.
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