Rain, strong winds and the rough water in the Channel made it easy to imagine what the sea might look like in a big storm.

海峡上方下着雨，刮着强风，水面波涛汹涌，看到这样的场景，不难想象大风暴来时大海会是什么样。

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The sea was very rough the day we crossed the channel .

我们横渡海峡那天，波涛汹涌。

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In the paper the results of systematic measurements on the turbulent structure of channel flows, including those in smooth, transition and rough regions, are presented and analyzed in details.

本文采用激光流速仪对光滑、过渡和粗糙明渠紊流结构进行了系统的试验研究。

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And because the channel is on-demand, sponsors will know the precise number of viewers instead of getting a rough estimate through Nielsen.

FORBES: Attention Deficit Television