The instantiation follows the pattern: create an empty business component, fill it with data, and then activate it.

实例化遵循这种模式：创建一个空业务组件，填入数据，然后激活它。

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When a business component is instantiated, it is first created and afterwards activated. These phases are reflected in the Lifecycle interface methods create and activate.

当一个业务组件被实例化时，首先要创建它，然后激活。

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Activate is at the end of the instantiation phase in order to activate the business component for usage.

Activate在实例化的结尾调用，激活业务组件的使用。

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