| 1. | There are many examples of circular motion in nature .
自然界中有许多做圆周运动的例子。 |
| 2. | The doctrine of uniform circular motion became embedded in greek thought .
匀速圆周运动的信念已深入希腊人的思想中。 |
| 3. | It is particularly important to understand forces that act in a reference frame in circular motion .
特别重要的是，我们一定要搞清楚在作圆周运动的参照系中起作用的那些力。 |
| 4. | Rotate your ankle in a circular motion for 5 seconds
转动脚踝5秒。然后另一条腿做相同的动作。 |
| 5. | When an object is in circular motion , it need centripetal force
本java程式描述物体作圆周运动时的物理量- -向心力 |
| 6. | Uniform circular motion
均速圆周运动 |
| 7. | The discussion about the moving charges with circular motion in the uniformity magnetic field
在匀强磁场中带电粒子作圆周运动的讨论 |
| 8. | This principle may be applied to circular motion as well as to motion in a straight line
这条原则不仅应用于直线运动，而且可运用于圆周运动。 |
| 9. | Press the toothbrush gently against the gum at an angle of 45 degrees , brush gently with a circular motion
将牙刷以45度角压著牙肉，打圆圈轻轻地刷 |
| 10. | The magnets are arranged such that one magnet " chases " the other magnet in a circular motion
用按钉将这二个作好的铝片固定在木块上，线圈就开始转动了。 |
