还讨论了恒速切割问题及需要采取的方法和措施。
Moreover, a problem of cutting with constant speed and the solving method is discussed.
运动速度可采用恒速，也可以通过步进电机控制变速运动方式。
The speed can be constant or be changed by the controlling of step motor.
那意味着偶尔有年份会稍稍长一些，来让自转减缓的地球赶上恒速计时器。
That will allow the Earth's spin to catch up with atomic time.
最后，motion 属性还可以带的一个值是linear，该属性让动画以恒速变化。
The final value that motion can take is linear, which keeps animation speed constant.
最后，motion 属性还可以带的一个值是linear，该属性让动画以恒速变化。
The final value that motion can take is linear, which keeps animation speed constant.
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