The default behavior is to handle these responses synchronously so that the container waits for the response message and does not continue processing in that thread.
默认行为是同步处理这些响应，以便容器等待响应消息，不在那个线程中继续处理。
2
The code to handle the relationships is generated by the container in the EJB implementations, so that other EJBs can traverse and manipulate the relationships.
处理关系的代码由EJB实现中的容器生成，因而其它EJB也可以遍历和操作这些关系。
3
Container-managed persistence (CMP) entity beans handle all of the persistence semantics automatically, in the container.