概念上，这种结构可以以横切的方式在程序元素上附加注释。
Conceptually, such a construct allows you to attach annotations to program elements in a crosscutting manner.
如果所考虑的程序元素在其本来的签名和动态上下文中包含捕获所需的连接点的足够信息，那么就没有理由附加注释。
If the program elements of interest contain enough information in their inherent signature and dynamic context to capture the required join points, there is no reason to attach annotations.
如果所考虑的程序元素在其本来的签名和动态上下文中包含捕获所需的连接点的足够信息，那么就没有理由附加注释。
If the program elements of interest contain enough information in their inherent signature and dynamic context to capture the required join points, there is no reason to attach annotations.
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