In component-orient design, compound and assemble technique support component reuse.

在面向组件技术的开发中，复合与组装技术支持组件的重用性。

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Component has the characteristics that coupling nature is weak and cohesive nature is strong. When system has occurred some error, we can Orient the wrong component, even interface function rapidly.

组件具有耦合性弱、内聚性强的特点，从而一旦发现问题，可以迅速地定位错误的组件甚至接口函数。

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