Correct decisions came when the referees were moving at a speed of about 2 meters per second.

当裁判以每秒两米的速度移动时，裁判做出了正确的判罚。

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The axle connects to the outer arms of the Wheel, which begin to rotate at a speed of 1/8 of a revolution per minute.

车轴连接到这个车轮的外臂，外臂开始以每分钟1/8转的速度旋转。

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It can fly at a speed of about 200 miles per hour.

它能以每小时200英里的速度飞行。

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Tornadoes usually travel in a northeasterly direction with a speed of thirty-two to sixty-four kilometers an hour.

VOA: special.2010.05.11

For example, if we're talking about a pitcher, like Matsuzaka, we might want to know the speed of his average fastball.

举例来说，如果我们谈到一个投手，就像松阪，我们想知道他投出,快球的平均速度。

麻省理工公开课 - 化学原理课程节选

OK. Now. This is just sort of bringing us back up to speed and adding a few more details in.

好，现在，我们刚刚回头,过去看了一些,细节问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

To travel through beautiful scenery at a speed of four horsepower is just marvelous.

FORBES: Magazine Article

Despite a fuel-saving concept the plane is designed to go at a speed of 450 mph.

FORBES: The World's Biggest Planes

Above a speed of about 10 knots, a right whale's encounter with a large ship would probably be fatal.

CNN: Plan to save whales strangling in red tape