圆周 [数] circumference ; circle ; periphery ; circum
圆周率 pi ; circumference ; circular constant ; double in the city
圆周率日 Pi day ; National Pi day
圆周运动 [物] circular motion ; circular movement ; circumferential movement
圆周速度 [力] circumferential velocity ; [力] peripheral velocity ; circumferential speed
圆周应力 circumferential stress ; [力] hoop stress ; peripheral stress ; circumferentiing stress
均速圆周运动 uniform circular motion
圆周力 circumferential force ; peripheral force ; force of periphery ; circular force
有效圆周力 effective circle force
圆周侧隙 [机] circumferential backlash
那一个点落在这圆的圆周线上。
这是一个向量场，其中旋转轨道是，以z轴为圆心的圆周，并且这个向量场与每个圆相切。
That is a vector field in which the trajectories are going to be circles centered in the z-axis and our vector field is just going to be tangent to each of these circles.
当我们的知识之圆扩大之时，我们所面临的未知的圆周也一样。
As our circle of knowledge expands, so does the unknown circle we face.
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