This is caused by the back surge of water to the pumping equipment.

它是由水流反向压力波冲击管道设备引起的。

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The calm General Petraeus later confirmed in a TV interview that some scaling back of the surge was probable.

后来，这位冷静的彼得雷乌斯将军在一个电视采访中说，相应的减少增援是很有可能的。

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Much of this could be traced back to the lung-cancer epidemic that had followed the surge in smoking in the 1950s, but the message was clear.

虽然大量的死亡是由于20世纪50年代烟民数量激增后随之而流行的肺癌引起的，但是癌症并未得到控制的事实显而易见。

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My own fearless forecast: After few weeks, or even just days, Asian stocks will bounce back and surge further.

CNN: Millennium Meltdown

Later this morning we will be reverting back to standard Surge Pricing for riders.

FORBES: Uber Goes Back To Higher-Fare Surge Pricing For NYC Post-Sandy, E-Mail Explains Why

Among commodities, oil prices eased back following a surge Tuesday that saw New York Mercantile Exchange prices rise 4.7% on renewed tensions over the Iranian nuclear program.

WSJ: Stocks Fall Back in Europe