In either case, the deployment descriptor for each session bean (Task or Service) simply includes an EJB-REF for each session bean that it actually USES.

在两种情况下，每个会话bean (Task或Service)的部署描述符仅仅包括他所实际使用的每个会话bean的EJB - REF。

youdao

The ref attribute is simply an XPath expression.

ref属性就是一个XPath表达式。

youdao