A second channel is commodity prices.

第二个渠道是商品价格。

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The wide-wave ultrasonic flowmeter has the unique second channel to automatically adjust the zero point drift.

并通过宽波束流量计特有的第二通道对零点漂移进行自动调整。

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This makes the device suspend itself and send the current value of the multiplying factor to the controller over a second channel.

这使设备中止自身，并把乘数的当前值通过第二个通道发送给控制器。

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"Well,I will not let you put yourself or this bar in danger.I won't." "True Blood" has completed its second season on the cable channel HBO.

VOA: special.2010.01.20

The second channel is a traditional B2C site that sells education products.

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It promises to be the fastest network yet, providing fixed and mobile broadband service and can deliver up to 40 megabits per second per channel up to 30 miles away from a base station.

FORBES: Magazine Article

Standardized by the Advanced Television Systems Committee and formally adopted as the ATSC Mobile DTV Standard, the new technology allows broadcasters to use a portion of the existing 19.4 Megabit-per-second DTV channel capacity to transmit data with extremely robust characteristics suitable for mobile, pedestrian and handheld applications.

ENGADGET: LG's glassesless 3D Mobile DTV eyes on (update: video)