Along with subscribing to an alert, you can choose the type of notification channel associated with each alert.

除了订阅警报以外，您还可以选择与每个警报关联的通知渠道类型。

youdao

Each type of alert has a different XML document associated with it.

每种类型的警报都有一个与之关联的不同XML文档。

youdao

Not only are responders able to specify their geographic area of interest, but they can also select the type of alert (e.g., collapsed building, food shortage, looting, etc.) they want to receive.

急救员不仅能够定制他们感兴趣的地理区域，而且能够选择他们想接收的提醒类型(例如，坍塌楼房，粮食短缺，抢劫等等)。

youdao

In 2005, Ohio created a new type of alert for missing children who weren't necessarily abducted, though these alerts don't break into television programming.

WSJ: Lapse in Missing-Persons List Questioned by Cleveland Officials

In the future, refrigerators may use some type of tagging technology to alert the appliance automatically to the presence of food that might go bad, he said.

CNN: When refrigerators tweet and washing machines text