现在，Drupal构造出一个数据结构，这个结构描述与节点对象数据相应的表单组件。

Now Drupal constructs the data structure that describes the form widgets given the node object data.

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文中介绍了站场形数据结构的各组成要素，举例说明其设计原理，最后指出了构造站场形数据结构所必须遵循的原则。

In this paper, the essential elements and fundamentals for design of the data are introduced, and an example is given for illustration.

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该方法是从原始数据信息中直接构造系统模型，尽可能保留原始数据结构的完整性。

This System model is directly constructed by the primary data. Consequently it may avoid the restriction of mathematical formula and keep integrity of the primary data structure.

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