There always exist long delay time in process control and good control effects may not be obtained by using traditional control methods.
工业生产过程中常有大时滞存在，用传统控制方法不能获得满意的控制效果。
In this paper, some experimental results about action characteristic of long gap triggered are presented, including working process, triggering reliability, time-delay of triggering and shaky time.
介绍了长间隙触发真空开关动作特性的实验研究，包括工作过程、触发可靠性、触发时延以及抖动时间。
Papermaking process is very complex and there exists long delay time.
造纸生产过程中的定量／水分控制十分复杂，存在着大时延的问题。
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