When there is a leak point in the pipeline, the pressure is fallen and the negative pressure wave occurs at once.

当管道某处突然发生泄漏时，泄漏处将出现瞬态压力突降，形成一个负压波，并以一定的速度向管道上、下游两端传播。

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Objective To study the effects of nitroglycerin on leak point pressure of chronic complete spinal cord injury female rats.

目的初步探讨硝酸甘油对慢性期完全性脊髓损伤雌性大鼠漏尿点压力的影响。

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By combining the transient change model method and rarefaction wave method, the multidimensional rules to detect the leakage and locate the leak point were set up.

并结合管道瞬变模型法与负压波法建立多维判别法则，解决输油管道泄漏检测及漏点定位的问题。

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It???s usually best to use the incident of a specific leak as a jumping-off point for discussions on how to prevent future recurrences, rather than trying to affix blame for the leak that???s already occurred.

FORBES: Intelligent Investing Briefing Book

On the specific point of a leak inquiry, he said it was a "long-established practice" of the Treasury not to comment on whether a leak inquiry has been established or not.

BBC: Labour calls for inquiry into Budget leaks

High levels of cesium 134 and 137 were confirmed at the point of the leak roughly 300 yards from the ocean, but no detectable amounts of radioactive contamination have been found in the sea water.

WSJ: New Leak at Japan Reactor Threatens Ocean