To manage state on the business tier, we use stateful session EJB components.

要在业务层上管理状态，我们使用有状态会话ejb组件。

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To better manage the resources associated with a session, developers can stipulate which operation may be invoked to initiate a session and which operations signal the end of a session.

若要更好的管理与会话有关的资源，开发者可以规定调用哪一个操作来初始化会话，哪一个操作来结束会话。

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Then, it starts GDB and creates two session objects to manage debug data.

然后，它启动gdb并创建两个会话对象来管理调试数据。

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Button's team-mate Rubens Barrichello scraped through into the second session but could manage only 14th place.

BBC: Hamilton edged out Ferrari's Kimi Raikkonen by 0.102secs

Flintoff opted not to bowl at England's first preparation session for the penultimate Ashes Test on Wednesday, but that was to be expected as he continues to manage his injury.

BBC: Form merited England call - Trott