仔细研究规范中的用词可以发现，虽然在postback上恢复了组件树，但是那些组件使用的backingbean数据并没有被恢复。
Examining the words used in the specification reveals that while the component tree is restored on a postback, the backing bean data used by those components is not restored.
仔细研究规范中的用词可以发现，虽然在postback上恢复了组件树，但是那些组件使用的backingbean数据并没有被恢复。
Examining the words used in the specification reveals that while the component tree is restored on a postback, the backing bean data used by those components is not restored.
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