It does this by defining XML constructs such as an id attribute and a ref attribute to serialize a graph structure into XML so that the recipient can create the same graph on the other end.

其方式为定义诸如id属性和ref属性之类的XML构造来将图结构序列化为XML，从而使接收方可以在另一端创建相同的图。

youdao

Note that the body of the <res-ref-name> element must be the same as the value of the name attribute of the matching element in the Tomcat configuration.

请注意， <res-ref-name>元素体必须与 Tomcat 配置中对应 元素的name 属性值相同。

youdao

For EJB JAR files, the same resource-ref should be declared in each EJB that needs to access the data source.

对于EJB JAR文件，应该在需要访问数据源的每个EJB中声明同一资源引用。

youdao