利用地下水资源系统的数值模型和水力管理模型对石家庄市地下水资源系统的供水能力进行了评价；
The supply yield of groundwater resource system in Shijiazhuang has been calculated by the numerical simulation model and the hydraulic optimal model of the groundwater system.
这是水资源系统最优化问题研究中的一个新课题，它能使水能规划工作带来显著的经济效益，得到更优的梯级电站总保证出力。
It is a new topic of optimization in the system of water resources and is of great economic importance for hydropower planning.
这是水资源系统最优化问题研究中的一个新课题，它能使水能规划工作带来显著的经济效益，得到更优的梯级电站总保证出力。
It is a new topic of optimization in the system of water resources and is of great economic importance for hydropower planning.
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