EJB服务器提供一些基本服务，比如对象分发、命名、安全性、持久性、事务管理和并发性。
The EJB server provides primary services such as object distribution, naming, security, persistence, transaction management, and concurrency.
如果您在持久性对象和操作它们的业务对象之间引入了一层Web服务，那么您就丧失了这种能力。
If you introduce a layer of Web Services between the persistent objects and the business objects operating on them, then you lose that ability.
如果您在持久性对象和操作它们的业务对象之间引入了一层Web服务，那么您就丧失了这种能力。
If you introduce a layer of Web Services between the persistent objects and the business objects operating on them, then you lose that ability.
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