如果应用程序域卸载，该计时器实例将停止激发事件。

If your application domain unloads, the timer instance will stop firing its events.

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下一步，在正确的位置加入代码，以便在激发事件时进行处理。

Next, you need to put in place the code to handle these events when they are fired.

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研究者指出，其中90名电话联系的患者中，有65名患者能够回忆起特定的激发事件。

Of the 90 patients contacted by telephone, 65 could recall a specific inciting event, the researchers note.

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