To reduce system startup times and general overhead, use non-persistent session beans rather than entity beans (which automatically maintain state information) whenever possible.

为了缩短系统启动时间并降低整体负荷，应尽可能使用非持久性会话 bean，而不应使用实体 bean（将自动维护状态信息）。

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Persistent rain meant no play was possible in the morning session but they got underway after an early lunch.

BBC: Clarke leads Warwickshire revival

Plenary session discussions will focus primarily on the impact of the economic crisis on education and address many of the persistent problems that limit access to education for large sections of society.

UNESCO: MEDIA SERVICES