This feature can, again, significantly reduce the length of your class definitions and make your application code simpler to maintain and easier to read.

同样，这个特性可以显著减少类定义的长度，并使您的应用程序代码更容易维护和读取。

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In addition to ensuring that every application class supports a given feature, a transformation can also be restrictive, guaranteeing that no application class USES a forbidden feature.

此外，以确保每一个应用类支持某一特定功能，转型也可以限制，也保证不应用类使用禁忌特征。

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