circumference

circumference  

[səˈkʌmfərəns]

n.

周围; 圆周

 

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1.	That point falls on the circumference of the circle.
	那一个点落在这圆的圆周线上。
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2.	The diameter and the circumference of a circle correlate.
	圆的直径与圆周有相互关系。
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3.	ratio of the circumference of a circle to the diameter
	圆周率
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4.	one fourth of the circumference of a circle
	圆周的四分之一
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5.	A circle whose circumference rolls along the circumference of a fixed circle, thereby generating an epicycloid or a hypocycloid.
	周转圆一个围绕着另一个固定圆周长滚动的圆，从而产生圆外旋轮线或圆内旋轮线，即外摆线或内摆线
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6.	The ratio of the circumference to the diameter of a circle.
	圆周长度与圆的直径长度的比。
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7.	An arc is a part of the circumference of a circle or other curved line.
	弧是圆周或曲线的一部分。
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8.	The curve described by a point on the circumference of a circle as the circle rolls on the outside of the circumference of a second, fixed circle.
	外摆线一个动圆沿另一个定圆外侧滚动时，动圆圆周上一点的轨迹曲线
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9.	A line segment that joins the center of a circle with any point on its circumference.
	圆半径将圆心与圆周上任一连接起来的线段
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10.	Any of the32 equal divisions marked at the circumference of a mariner's compass card that indicate direction.
	罗盘上三十二个方位之一用来指示方向的水手罗经刻度盘圆周上标记的三十二等分中之一
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