radius
英[reidiəs]美[reidiəs]
n.
1.半径（长度）
2.半径范围，周围
3.桡骨
1.半径（长度）
2.半径范围，周围
3.桡骨
复 数：radii
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- 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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