First, program elements must carry metadata annotations.

首先，程序元素必须包含元数据注释。

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It also provides a system for metadata annotations of topics so that users can easily search, filter, and process them.

它还提供了一种系统实现主题的元数据注释，因此用户可以便捷地搜索、过滤和处理内容。

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Community Edition V2.0 supports EJB 3.0, which USES metadata annotations as an alternative to the deployment descriptor.

Community Edition V 2.0支持EJB 3.0，而EJB 3.0使用元数据注释作为部署描述符的替代方法。

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