Normal data integration method usually directed towards English, but to the Chinese MIS, it couldn't work. So this paper puts forward the data integration system with a mid meaning explanation warehouse, utilizes the ontology language to deal with the problem of meaning change in the integration, and validates it in the equipment information manage system.%现有的数据集成方法，多是面向英文语言，对于中文管理系统，很多方法并不适用。本文提出一种嵌有中间释义库的数据集成系统，利用本体语言具有通用性的特点，解决中文语义变化造成的集成困难，并在设备信息管理系统做了简单验证。
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