以建筑物协同设计平台为例，提出了采用不同的数据存取模式存取不同数据的方法，建立了数据库接口层的模型框架并给出数据库系统优化的方法。

In this paper, taking the building scheme cooperative design platform as an example, we bring forward different data access methods for different data and set up the framework of database interface.

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通过大源渡枢纽通航建筑物的整体模型试验，为其优化布置和通航条件设计提供了依据。

The overall model test of Dayuandu Junction navigation structures provided a basis for the optimized arrangement and navigation condition design.

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本文以抽水蓄能电站及有压引水式水电站为典型对象对水力系统各建筑物建立了整体参数优化数学模型，其后又针对该模型的目标函数不可求导、计算量大、维数多、非线性的特点。

This paper take pumped storage station and diversion type power station as typical objects of study and gives out a global optimal model of the parameters of the water way structures.

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