As for the browser back button, if the state of the iFrame changed such that the history was updated, it might seem to work correctly.

对于浏览器的“后退”按钮，如果iF rame的状态发生更改而更新浏览历史，则可能会正常工作。

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State change Date: Date and time when the state of the work item was changed.

状态更改日期：工作项状态的更改日期和时间。

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