When asked, the managers provide a component instance.

管理器提供了一个组件实例。

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This method allows a component instance to perform custom cleanup actions.

removeInstance(...) 方法允许组件实例执行定制的清空操作。

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A manager is activated when it is asked to provide its first component instance.

当要求管理器提供其第一个组件实例时，管理器将被激活。

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Mario Monti of Bocconi University in Milan has found that only 20% of services provided in the European Union have a cross-border component, for instance.

ECONOMIST: Economics focus

The lunches tended to have a more educational component, so for instance at Jaleo, the outpost of superstar Spanish chef Jose Andres, he demonstrated how to make paella, the centerpiece of the meal, over the only wood burning restaurant paella grill in the nation.

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