Looking for a simple, quick demonstration of forces and acceleration in circle motion?
看过一简单、快速的演示圆周运动中力和加速度的变化吗？
Uniform circular motion occurs when an object goes around in a circle and when the speed never changes.
匀速圆周运动发生在，当物体沿着一个圆环滚动，速率恒定的情况下。
If you look at the motion of the planets in the sky, you will find that they don't simply go around the earth in a continuous circle.
抬头仰望天空中行星的运动，你将会发现它们并不是简单地绕着地球旋转。
Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples.
快乐就像一块为了激起阵阵涟漪而丢进池塘的小石头。
Now we have a motion-tracking function that is run for every frame of video that comes in. Let's retrieve the coordinates and draw a blue circle where there is motion.
现在有了一个运动跟踪函数，对于视频的每一帧都会运行它。
Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples. As Stevenson has said, being happy is a duty.
快乐就像一块为了激起阵阵涟漪而丢进池塘的小圆石。正像史蒂文森所说，快乐是一种责任。
Analyzing the motion inversion of the limit of the crank rocker mechanism, drawing the relative supplementary circle, and designing the mechanism up to requirement.
对曲柄摇杆机构极限位置进行运动倒置分析，作出相应辅助圆，从而设计出满足条件要求的机构。
Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples. As Stevenson has said, being happy is a duty.
快乐像一枚鹅卵石，落入水塘会激起一圈圈不断向周围扩散的涟漪。正像史蒂文森说的那样，快乐是一种责任。
This paper helps briefly derivate a general acceleration formula of curvilinear motion with an acceleration definition and the concepts of curvature circle, and obtains an important conclusion.
利用加速度的定义和曲率圆的概念较简单地推导出了一些曲线运动中加速度的公式，并得出一些重要结论。
From advertising information motion, analyzed the reason for advertising information vicious circle, and put forward the method to promote it to good circle.
从产品广告信息运动出发，分析了产品广告信息运动恶性循环的成因，提出了促进其良性循环的方法。
You are not able to form a perfectly steady image of the circle, because the nature of the pranas is fluctuation and the characteristic of the mind is motion.
你无法形成一个完整的稳定的圆的形象，因为呼吸本来就是起伏的，而思想的特性就是运动。
For the given parameters, the quantitative and qualitative analyses to the phase portrait and motion circle of the nonlinear free vibration are dealt with.
对给定参量的非线性自由振动的相位图特性、振动周期等进行了定量及定性研究。
Then the slider motion is analyzed by the state-plane method. A limit circle which can describe the path of the creeping motion is found out.
然后用相平面法分析滑块的运动规律，并确定爬行运动的相轨迹——极限环。
The measurement of antenna motion parameters, such as antenna sector scan Angle, sector scan speed, circle scan speed etc.
天线运动参数如天线扇扫范围、天线扇扫速度、天线环扫速度等参数的测量通常采用手动计时器测量。
When we say "everlasting delight", we are contradicting ourselves no less than when we call a circle four-cornered or a motion motionless.
我们说永远快乐，正好像说四方的圆形，静止的动作同样地自相矛盾。
Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples. As Stevenson has said, being happy is a duty.
快乐就像丢进水池中的石子，它会激起一层一层不断扩大的涟漪。正如史蒂芬森所言，快乐是一种责任。
Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples. As Stevenson has said, being happy is a duty.
快乐就像一块为了激起阵阵涟漪而丢进池塘的小石头。正如史蒂文森所说，快乐是一种责任。
Happiness is like a stone dropped into a pool to set in motion an ever-widening, circle of ripples. As Stevenson has said, being happy is a duty.
快乐好似扔入池子里的一颗石头，会激起不断扩散的阵阵涟漪。正如斯蒂文森所言：“快乐是一种责任。”
Summarize the characteristics of roller-gear-cam and structure in ATC. Introduce the tool change process of automatic tool change, draw the motion circle graph.
总结了滚子齿形凸轮的特点及其在自动换刀单元（ATC）中滚子齿形凸轮的结构形式。
Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples. Ad Stevenson has said, being happy is a duty.
快乐好似扔入池子里的一颗石头，会激起不断扩散的阵阵涟漪。正如斯蒂文森所言：“快乐是一种责任。”
Happiness is like a pebble dropped into a pool to set in motion an ever-widening circle of ripples. Ad Stevenson has said, being happy is a duty.
快乐好似扔入池子里的一颗石头，会激起不断扩散的阵阵涟漪。正如斯蒂文森所言：“快乐是一种责任。”
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