In this paper, the problem of pre-trigger existing in dynamic spot welding self-adaptive control system is researched on the basis of experiments.

对动态电阻点焊自适应控制系统中存在的提前触发问题进行了实验研究。

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PDF also offers built-in intelligence so that forms can be pre-populated using data in existing applications, and can then trigger asynchronous tasks based on user input.

PDF 也提供了嵌入的智能以便能够通过使用现有应用程序中的数据来预装表单，并且能够基于用户的输入触发异步的任务。

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The SQL editor is provided to edit the trigger text and, for ease of use, it is pre-filled with a skeleton SQL to create a trigger.

提供了 SQL 编辑器来编辑触发器文本，并且为了便于使用，还预填充了骨架 SQL 来创建触发器。

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We buy when an ETF is above its average and sell if it falls below a pre-determined trigger point.

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For instance, how about having a 911 call trigger a pre-mapped route via GIS so the local rescue squad can respond ASAP with traffic lights synchronized along the way?

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