这个新分类系统的介绍已经建立对一本综合的指南的需要验证并且使注意聚焦在童年关节炎上。
The introduction of this new classification system has created a need for a comprehensive guide to clarify and focus attention on childhood arthritis.
单击新分类系统的名称(在这个示例中是TestingClassification)，下面的Properties窗口将打开。
Click on the name of the new classification system (TestingClassification in this example) and the following Properties window opens.
属性分类系统的创建，建立了一个不用对代码进行大的修订就可以添加新属性的简便方法。
The creation of the attribute classification system establishes an easier way to add new attributes without having to perform major code revisions.
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