在应用服务器上进行聚合允许你应用更复杂的业务逻辑；但你需要先在应用程序中载入详细的数据。
Aggregation in the application server allows you to apply more complex business logic; however you need to load detailed data to your application tier first.
这个重启的动作是为了通过自动往你的应用程序中载入可替代资源，从而使你的应用适应新的配置。
The restart behavior is designed to help your application adapt to new configurations by automatically reloading your application with alternative resources that match the new device configuration.
如果用户更改设备的方向并且Activity重启，你的应用程序必须要重新载入数据，那就会很慢了。
If the user changes the orientation of the device and the activity restarts, your application must re-fetch the data, which could be slow.
载入你的程序，看看那个信息(如果存在的话)显示了。
Load your program, and see which message (if any) gets displayed.
载入你的程序，看看那个信息(如果存在的话)显示了。
Load your program, and see which message (if any) gets displayed.
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