"The idea is that the time that the pulse is on is about a quarter of a period of a vibration, " Sankey said.

桑基解释：“办法就是在四分之一的震动周期中施加脉冲，就像推小孩儿荡秋千一样，一个脉冲推动一次”。

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This modification caused a heavy "pulse" of load on the server, which made it easier to measure the time it took for resultant replications.

修改之后会给服务器带来较大的“负载冲击”，这有利于测量完成最终复制所需的时间。

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Your surgical procedure will depend on whether your project just needs the electronic pulse generator. or a clock with working hands that continues to tell time. If you just need the clock's ticker.

对钟表犹如外科手术般的拆卸过程取决于你接下来的项目只是需要电子脉冲发生器，或者是一只带着指针仍然能为你报时的闹钟。

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It counts all revenue from virtual goods sales at the time the player purchases them, providing investors a read on the pulse of business momentum regardless of the timing of revenue recognition.

FORBES: How Zynga, Facebook and Groupon's Go-To Auditor Rewrites Accounting Rules

We call this new imaging technology femto photography because we capture a segment of the image with a flashlight (in this case, a laser pulse) on for a few millionths of a billionth of a second (or a few femtoseconds) and an exposure time approaching a trillionth of a second.

CNN: A camera that can see around corners