文中首先对特征映射理论进行了详细的分析，建立了系统的应用信息功能模型，对系统集成的接口进行了详细的设计，提出了直接映射与间接映射相结合的复合映射模式。

The theory of feature mapping is analyzed in detail. The functional model of applied information is created and the design of data access interface is designed in detail in this dissertation.

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