替换组件 meaning in English

substitute component

If not , the class tries to locate the designer for the object , and if the designer can be found and is of the correct type , the class replaces the component instance with the designer instance
如果不是，则该类试图查找该对象的设计器，如果能找到该设计器且其类型正确，则该类将使用设计器实例替换组件实例。
In this way , you could have a base component class that contained common messages , and extend or override those messages in subclasses ( just as you would extend or override the methods of the base component class )
这样，你可以有一个组件基类包含通用信息，并且在子类中扩展或者替换这些信息（就像你扩充或替换组件基类的方法一样）。
Be aware , however , that not all countries have apple authorized service providers and not all authorized service providers outside the country of purchase have all parts or replacement units for the product
不过，请留意：并非所有国家都有苹果授权服务提供商，同时在采购国以外，并非所有苹果授权服务提供商都拥有该产品的所有零件或其替换组件。