他们对于可用水量只有一点模糊的了解。
They have only a vague idea of the amount of water available.
可用水量决定了需要水的处理系统是否可行。
Available water. The amount of available water will determine whether disposal systems requiring water are a possibility.
随着人均可用水量的不断下降，灌溉农业必须提高水资源利用效率，同时进一步采用有利于环境的经营和管理方式。
As per capita water availability decreases, irrigated agriculture will have to be more efficient in water use as well as more environment friendly in operation and management.
针对井渠结合灌区目前存在的地下水位下降、可用水量不足等问题，提出了运用多年的各种水资源均衡调节的方法。
In this paper, system analysis method is applied, a model of optimal conjunctive operation of surface water and groundwater resources for Fuyang, Huaibei district is established.
这意味着通过污水回用，可以在现有供水量不变的情况下，使城镇的可用水量增加50%以上，这是一笔巨大的资源。
This means under the constant circumstance in current amount of water supply can make the town increase 50% in amount of water through the reuse of sewage water.
结果表明：分类用水量预测比总体用水量预测具有精度高，结果稳定的特点，可用于该市的年用水量预测。
The result indicated that the classification forecast have the higher accuracy and steady than total forecast, it can be used for this city's annual water consumption forecast.
结果表明：分类用水量预测比总体用水量预测具有精度高，结果稳定的特点，可用于年用水量预测。
The result indicated that the classification forecast have the higher accuracy and steady than total forecast, it can used for the city. s annual water consumption forecast.
结果表明：分类用水量预测比总体用水量预测具有精度高，结果稳定的特点，可用于年用水量预测。
The result indicated that the classification forecast have the higher accuracy and steady than total forecast, it can used for the city. s annual water consumption forecast.
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