Subsequently they dried up and wind eroded the ground around the channels over millions, maybe even billions, of years, leaving the more resistant channel rocks as ridges.

随后，河槽逐渐干涸，风吹着大地，侵蚀地面，数百万年，甚至几十亿年，河槽退化为山脊形状。

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Adopting complex wind channel technic tor improve the heat transfer.

采用复合风道技术，增强散热效果。

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The method of multi wind speed controlling and wind channel changing are presented and an anti-disturbance technique of the MCU control system is briefly introduced.

探讨了多级风速控制、风道转换的实现方法，同时简要介绍了控制系统的抗干扰技术。

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With a fair wind from across the Channel, that should change in 2012.

BBC: Reasons to be cheerful (part 1)

Veterinary experts are now increasingly worried that the disease could cross the North Channel, carried either by the wind or by people.

BBC: Clubs open despite disease appeal

For channel 4, they built a diorama containing a rain gauge, barometer, thermometer, wind gauge, and clock, pointed a videocamera at it, and launched the first weather channel.

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