China just completed building the final leg of an 800 mile high-speed rail (HSR) line between Beijing and Shanghai.

中国刚刚完成了全程800多英里的京沪高铁最后路段的铺轨工作。

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An intelligent artificial leg is a precise electromechanical device, one of whose key components is the walking speed measuring circuit.

智能人工腿是一个精密的机电一体化装置，其关键部件之一是步速测量电路。

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When the leading leg strikes, there can be a braking motion as speed is inhibited by the contact of the foot with the ground.

当前脚着地的时候，可能存在一个阻碍动作，即，脚触地对速度生成的抑制。

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We uncovered strategies, depending on who was throwing and catching, to take advantage of mistakes or our leg speed.

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It will be interesting to see what happens when the high-speed Beijing-Shanghai leg of the high-speed network is completed, perhaps as early as next year.

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Could Apple's forthcoming cloud-based music service have a leg up in speed compared to its competitors?

ENGADGET: Apple patent application suggests partial storage of music to speed up streaming