表单是广泛使用的信息交换工具。

Forms are a pervasive information exchange vehicle.

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具体来说，数据交换工具将给定的源数据模式，依据标准的数据模式（数据字典），转换为本地目标数据模式。

Specifically speaking, a given source data pattern can be converted to a local target data pattern according to the standard data pattern (the data dictionary) by the data exchange tool.

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然后详细介绍模型的四个核心组成部分：数据适配器、XML消息组件、数据传输组件和数据交换工具的设计以及实现过程。

Then this paper expounds the design and realization of four main parts in the model. These parts are data Adapter, XML message component, data transmission and data exchange tool.

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