In this case you could instantiate the Spring container in a similar fashion as described above for the EJB tier.

在此情况下，您可以按照上面针对ejb层描述的类似方式实例化spring容器。

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Implementing an EJB tier, though not required, lays the foundation for creating a highly scalable, distributed application architecture.

虽然没有要求实现ejb层，但这样做可以为建立高度可伸缩的分布式应用程序架构提供基础。

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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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