每个构件访问该URL获取特定信息并显示。
Each widget accesses this URL to get the specified information and to display information.
为了实现归类，需要获得存储库中放入的每个构件的元数据定义。
Implementation of cataloging requires definition of the metadata for every artifact placed in the repository.
你也可以重用每个构件，来组合成多种较大的验证一个应用软件用例的测试。
You can also reuse each component to assemble a variety of larger tests that validate an application use case.
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