radius

英[reidiəs]美[reidiəs]

n.
1.半径（长度）
2.半径范围，周围
3.桡骨

复　数：radii

同：	[n.] r, spoke, wheel spoke

A radian is the angle subtended by an arc of a circle whose length is just equal to the radius
一弧度就是长度刚好等于半径的一段圆弧所对的圆心角。收藏
A molecule whose Stokes' radius approaches or exceeds the pore radius does not enter the gel and is said to be excluded
一个分子，它的Stokes半经接近或超过网眼半经，不进入凝胶内，称为被排阻。收藏
The radius of the punch and die cutting edges is laid out to produce the desired circular shape without nicking into the circle as the work proceeds.
在工作过程中,冲头与凹模切口的半径定位,确保形成所需的圆形,而不至于在圆边产生“缺口”。收藏
One of a class of fast warships of medium tonnage with a long cruising radius and less armor and firepower than a battleship.
巡洋舰一种中等吨位的快速战舰，有很长的巡航半径，但比战列舰装甲少，火力小收藏
Each of these stations will be totally responsible for the trains running and maintenance in an area within a radius of 80 km
每个中心站管理控制半径在80公里左右，对行车和维修全部负责。收藏

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the length of a line segment between the center and circumference of a circle or sphere
[同] r, radius
a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)

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