uniformly accelerated rectilinear motion 匀加速直线运动 velocity of rectilinear motion 直线运动的速度 uniform rectilinear motion 匀速直线运动 ..
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现在来假设物体加速度，其总量取决于物体，与直线运动速度的偏差。
And suppose you postulate that the acceleration of the body, that is the amount it deviates from the straight line motion that it would otherwise take.
雪橇将以相同速度进行直线运动，除非它受到同样大小的力而被影响。
So the sledge will just keep going in a straight line at the same speed unless its acted upon by the same force.
利用气垫导轨及电脑通用计数器测定匀加速直线运动的加速度．测定误差为-0.67%。
Using air cushion slide-way and general computer counter to measure the acceleration in uniform linear motion, the error of this experiment is -0.67 percent.
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