On the track, running speed can be controlled with the help of sound markers and visual markers (' beep 'every 50m) or a bike equipped with a speedometer.

在跑道上，速度可以根据停表等控制(每50 m响一下)或者由一辆带速度计的自行车跟着。

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If you miss the beep, you could find an uninfected computer with the same operating system as yours and replace the file with a copy from it.

如果你错过了发出哔哔声，你可以找到一个未受感染的计算机具有相同操作系统和你的，并取代文件的副本，由它。

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The unit will "beep" with a signal tone and the LCD Screen will turn blank.

该单位将“哔声”与一个信号，腔调和液晶显现屏幕将空缺。

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Footie fans can breathe a sigh of relief thanks to the state-of-the-art trolley which comes complete with tilting iPad holder and speakers, a front bumper complete with a sensor which lets off a warning beep if you get too close to other shoppers and an onboard battery with self-charging solar panel to ensure the viewing device never runs on empty.

ENGADGET: iPad dock shopping cart keeps footie fans and their other halves happy

With every pulse, the altimeter gave a loud beep, and then a fainter beep as the echo returned.

NPR: Excerpt: 'Skybreaker'