当处在结果显示画面（Result screen）时，通过选择手机上的菜单按钮，便可以删除历史记录或者通过e-mail将测试结果导出（测试值将会被逗号分隔开来）。

By selecting the menu button on your device while on the Results screen, you can delete the history or have the results exported as comma separated values via email.

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可用这一选项将所选执行运行从规则历史记录中删除。

You can use this option to remove the selected execution runs from the history of the rule.

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删除任务以后，任务历史记录也就随之删除了。

When the task is deleted, the task history is deleted along with it.

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