Level dropout: This detects an edge followed by a specified time with no edges. It is useful for triggering on the end of a pulse train.

水平失真触发：当信号变高或者变低，并保持此状态超过指定时间时触发。这是很有用的对于脉冲串的末端触发。

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Lotus Domino 7 lets you enforce Internet password changes after a specified length of time and enforces password quality and length, which you can configure by means of a security policy.

Lotus Domino 7提供了在指定时间段后强制更改互联网口令的功能，可以依靠安全策略配置，加强口令质量和长度。

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A notify state is when work packages have been at the node for longer than the time specified by the administrator.

如果工作包在该节点上的时间超过了管理员规定的时间，那么它会进入通知状态。

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