其次，根据决策支持系统理论，采用三库结构即：数据库、模型库、方法库及其管理子系统并设计各库的组成与功能。

Then the bases of system were designed, which included data base, model base, method base as well as each one's management base.

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区域地下水动态预报软件在数据管理信息系统的基础上增加模型库系统，进行模型辅助决策，并设计了用于资料和结果输出的办公子系统。

Model base system is added to software of regime prediction for regional groundwater on the base of data management information system. Subsystem for output of material and outcome are also designed.

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