无计划的动力改变能够引起瞬变，初始的，然后你们会有紧急的AC动力，高压的注入系统。

Unplanned power changes can result in transients, initiating ones. Then you have emergency AC power, high pressure injection systems.

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本文以泵系统为研究对象，通过实验和计算的方法研究阀调节引起的全系统的瞬变特性及影响因素。

Aimed at pump system, this article investigates the transient characteristics and the influencing factors of the whole system by means of experiment and numerical calculation.

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利用光电检测技术，提出基于FPGA的瞬变光多事件探测系统预处理电路实现方案。

Using the photoelectric detection technique, the scheme of pretreating circuit in multi transient light events system based FPGA-tech is proposed.

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