The page can poll the server regularly, creating a large number of server requests and a considerable latency between the event and the notification.
页面可能会定期轮询服务器，从而创建大量的服务器请求，以及事件和通知之间的大幅度延迟。
If your app creates a notification while another of the same type is still pending, avoid creating an altogether new notification object. Instead, stack the notification.
如果你的应用程序在其他相同类型的通知仍然在待处理时产生了新的通知，避免产生新的通知对象。相反，堆积你的通知。
Other flags set by trustworthy people will propel content through these filters, creating, in effect, a notification network.
由可信赖的人做的标记可以帮助内容通过过滤器，然后建立一个有效的消息网络。
Other flags set by trustworthy people will propel content through these filters, creating, in effect, a notification network.
由可信赖的人做的标记可以帮助内容通过过滤器，然后建立一个有效的消息网络。
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