A data channel on which the information transmitted can take any value between the limits defined by the channel. Voice - grade channels are analog channels.

一种数据信道，其传输的信息可取该信道规定界限内的任何值。话音信道就是模拟信道。

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Check the dimensions of dug pipe channel, especially the grade level, inclination against design requirements, check to see whether the bedding is rammed hard enough.

检测开挖的管槽尺寸，特别是水平高程、斜度是否满足设计要求，垫层是否夯实。

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Using professional-grade multi-channel elec volume control, high reliability;

采用专业级多信道电子音量控制，长寿命永不磨损高可靠性；

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The diverse judging panel includes TV presenters Ruby Wax and Dermot O'Leary, comedian and actress Nina Wadia, advertising boss Matthew Freud and former Channel 4 chief executive Michael Grade.

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NMEC's board, packed with experienced businessmen such as Michael Grade, a former chief executive of Channel 4, and Sir Brian Jenkins, chairman of Woolwich, a bank, believed the original visitor forecasts.

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