The mixed integer linear programming model was established with the water source-sink matching as the constraint.
以水源-水阱匹配关系为约束条件，建立了单杂质用水网络的混合整数线性规划模型。
Ground water is used as the cooling water source of heat pump units in summer a great deal of production sewage is used as extracted heat sink for units in winter.
夏季利用地下水作为水源热泵机组的冷却水，冬季利用该厂丰富的污水作为机组的吸热源。
Surface water heat pumps (SWHPs) are energy-efficient devices for heating and cooling that use surface water as a heat source and sink.
水源热泵是一种利用地下浅层水资源(地表水或地下水)，既可供暖又可制冷的高效节能热泵系统。
That yield difference is not evidence 2 waters and 3 water's treatment with 4 water, but water consumption reduced, it would achieve the source-sink of saving-water with high yield.
产量则随灌水次数的增加而增大，2水和3水处理与4水处理相比较，产量差异并不明显，但耗水量却明显减少，实现了节水与高产的统一。
That yield difference is not evidence 2 waters and 3 water's treatment with 4 water, but water consumption reduced, it would achieve the source-sink of saving-water with high yield.
产量则随灌水次数的增加而增大，2水和3水处理与4水处理相比较，产量差异并不明显，但耗水量却明显减少，实现了节水与高产的统一。
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