Your application server will include Settings that govern how beans are passivated, and it may even provide ways to force bean passivation.
应用服务器上包括控制bean挂起方式的设置值，甚至还可能提供强制bean挂起的方法。
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If instances in your implementation ever get passivated, the inventory Iterator will be null — or worse, have some undefined value from another session!
Lipase could lead the oil hydrolyzed if the rice bran not passivated in time especially in the high temperature, which in order to increase the acid value of RBO.