模型转换着重于根据在框架或插件中扩展类的应用程序元数据元素创建源代码。
A model transformation is focused on creating source code based on application metadata elements that extend classes in either the framework or a plug-in.
portlet查询所有的元数据并只显示国籍元数据元素指明是瑞典的内容。
The portlet queries all content metadata and displays only that content whose country metadata element indicates Sweden.
最后，Atom为核心名称空间中的各种必需和可选元数据元素提供了严格定义。
Finally, Atom provides rigorous definitions for the various required and optional metadata elements within its core namespace.
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