为数据访问对象定义最适合的粒度。
Define the most appropriate granularity for data access objects.
这是各种权限：读、写、完全控制、指定给用户、bucket或对象级别的访问粒度。
There are various permissions - read, write, full control - assigned to users, and access granularity established at bucket or object level.
你想要通知细粒度的对象，它们可能不会被Spring容器实例化。
You want to advise fine grained objects, which may not be instantiated by the Spring container.
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