在 GAE 上运行并没有改变这一点，但是它可以利用应用程序的可伸缩特性。
Running on GAE does not change this in any way, but it can take advantage of the scalability features of our application.
如果应用程序持续使用可串行化的对象，并且会对这些可串行化的对象的类做出改变，那么在做出这些改变的时候要加以考虑。
If the application persists serializable objects externally and changes are made to the classes for these serializable objects, then special consideration needs to given to the changes.
说明：程序可改变静态文本框的内容、背景色，文字居中显示。
The procedure can change the content of static text box, background color, text display center.
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