Modifying the mapping definition, rather than requiring changes in application code, often handles minor changes in the XML document structure.

修改映射定义(而不需要改变应用程序代码)通常处理XML文档结构中微小的变化。

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Advances in study on ionomers are reviewed in terms of its definition, classification, preparation, structure, properties, and application in the field of coating, film, nonnasality materials.

对离聚物的定义、分类、制备、结构、性质及其在涂料、薄膜和口腔修复材料等方面的应用进行了评述。

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The definition, classification and main characteristics of industry control system are expounded. Its application in grain processing is introduced and its structure is analyzed.

阐述了工控系统的定义、分类及各主要特点，并详细介绍了应用在粮食加工行业中的工控系统及主要构成。

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