The diameter and the circumference of a circle correlate.
直径与周有相互关系。
The diameter and the circumference of a circle correlate.
直径与周有相互关系。
Please move counterclockwise in a circle!
请逆时针做周运动。
The envelope of moving line on the hypocycloid plane may be an epicycloid or cardioid and the...
摆逆运动中与动切角直,其包络是周渐开.
Definition : A strophoid of a circle with the pole O at the centre of the circle and the fixed point P on the circumference of the circle.
在环索,以心为极点,周一点为固点,所作出图形!
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