半径的用法和样例:
例句
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(曲轴的)半径曲柄、凸轮或类似机器部件形成的圆的半径
The radius of a circle described by a crank, cam, or similar machine part. -
住在离城中心半径25英里的范围内的家庭
Every family within a radius of25 miles of the city center. -
警察搜查了半径两英里范围内所有的田野和森林。
The police searched all the fields and woods within a radius of two miles. -
我们能用半径计算出圆的面积。
We can compute the circular area with radius.