"With a laser pulse, you can tap that shell and make it ring like a bell," said physicist Till Rosenband of NIST, who built the existing quantum-logic clock.

“激光脉冲轻拍壳层产生了像铃声一样声音”，国家标准和技术研究所的物理学家Till Rosenband说，现有的量子逻辑时钟是由他开发的。

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To break open the eggs tap them gently on the counter until there's a small dent in the shell.

在台上轻敲鸡蛋，直至在蛋壳上出现出现小凹陷。

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This article considers the tools built into PHP that allow you to tap into the underlying shell environment and file system PHP is running on.

本文探究构建到php中的工具，让您了解PHP运行的底层shell环境和文件系统。

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In partnership with Japanese LNG shippers Mitsui and Mitsubishi, Shell hopes to tap 17 trillion cubic feet of gas (that's 3 billion BOE) and 1.2 billion barrels of oil.

FORBES: Magazine Article

Apple announced it will seek to tap the debt market as part of its plan to shell out billions to shareholders in dividends and stock buybacks without paying taxes to bring home its massive overseas cash pile.

FORBES: Fitch Says Apple's Business Model Doesn't Warrant Lofty Ratings From Rivals

As the Chinese tap U.S. technology to manufacture this gas (Shell already has a development deal with CNPC) its cost of gas will plunge and it may quickly be in a position to undercut the Russians and others on exports to Korea and Japan.

FORBES: Gazprom Bows To Shale Boom, Cancels Shtokman Plans