应用程序因此可以使用实作内嵌型别资讯之执行阶段组件中的型别，而不需要参考执行阶段组件。
The application can then use types in a runtime assembly that implement the embedded type information without requiring a reference to the runtime assembly.
即使不知道实作介面或委派方法的类别，物件仍然可以使用介面参考或委派。
An interface reference or a delegate can be used by an object that has no knowledge of the class that implements the interface or delegate method.
外部索引键条件约束可于父资料表和子资料表之间，实作参考完整性。
A foreign key constraint can implement referential integrity between parent and child tables.
外部索引键条件约束可于父资料表和子资料表之间，实作参考完整性。
A foreign key constraint can implement referential integrity between parent and child tables.
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