Cancel按钮的目标是返回到视图模式，并且不保存itemset中的首选项。

The objective of the Cancel button is to return to the view mode, without saving the preferences in the ItemSet.

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该过程通过输入源和目标CouchDB的URL并激活Replicate按钮来操作。

The process is operated by entering the URL of the source and target CouchDB and activating the Replicate button.

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然后从下拉列表中选择default Device Target，并单击Load Target按钮来载入设备目标所需的插件。

Then, select Default device target from the drop-down list, and click the load target button to load the required plugins for a device target.

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and your only job during this tasks is to press the button when that target comes on before it leaves the screen.

而你在这些任务中唯一要做的事,就是在目标出现未消失前按下按钮。

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