一旦你创建了一个构件，就不能将其重新组织为子组件。

Once you create a component, you cannot reorganize it into sub-components.

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SCA使用定义良好的接口将所有集成构件作为服务组件描述。

SCA describes all integration artifacts as service components with well-defined interfaces.

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服务的实现也需要仔细考虑，以便实现构件（如组件）也具有跨多个服务实现的重用性。

The implementation of the service also needs to be well thought out so that the implementation artifacts (for example, components) are also inherently reusable across multiple service implementations.

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