According to Einstein's theory, the clock on the plane would be expected to have lost time, due to being in motion over 80 hours compared to the clock on the ground.

按照爱因斯坦理论，相对于地面上的时钟，飞机上的时钟会因为80个小时的运动而减少时间。

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In order to improve the performance of networked multi-axis motion control systems, the clock synchronization method of motion control networks was studied.

为了改进网络化多轴同步控制系统的性能，研究了运动控制网络的时钟同步方法。

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Since the hour hand on the clock was made to follow the sun's motion through the sky, it moves from left to right over the top of the clock - clockwise.

因为钟表的时针是用来设计成跟循太阳在天空的运行，所以它就是从左边经过钟表的上端向右边走——即顺时针方向。

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Seen in motion, this is at once a powerful skeleton clock and a curious astronomical one, a gift to anyone for whom a modern clock can do so much more than just tell the time.

ECONOMIST: Craftmade timepieces

Unburdened by a shot clock, the Hoosiers walked the ball up the court, patiently ran Knight's motion offense and then played suffocating man-to-man defense.

WSJ: Big Ten Basketball: Grueling Display of Bumping, Bashing