The results appear on an LED screen or as an audio prompt (" 50 meters, 3 o 'clock ").

结果显示既可以在一块led屏上显示，也可以语音提示(“3点钟方向，距离50米”)。

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The latter provides the control and clock signals for the driving circuitry on screen and accomplishes the video data processing.

后者为屏上驱动电路提供控制、时钟信号，完成视频数据的处理。

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The interface circuit also can produce synchronous, vanished and ensconced, digital clock signal and realize remote control, displaying on screen.

同时产生同步、消隐、数据时钟等信号以及实现遥控、屏幕显示的控制功能。

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Newscasters on the state television network Al-Iraqiya draped Iraqi flags around their necks as an on-screen clock counted down to midnight Monday.

CNN: Iraqis cheer -- and fear -- U.S. pullout from cities

South of Boston, the Hyatt Place Braintree opens on 21 May with a 24-hour guest kitchen that provides meals and snacks around the clock via a touch-screen kiosk.

BBC: Openings: Tokyo, Bangkok, Sweden, Boston