radian measure

• 弧度

radian measure的用法和样例：

例句

1. Radians are another way to measure angles.
   弧度是另一种度量角度的方法。
2. 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。
3. The success rate of the first attempt using retro-hent radian method was significantly higher thanthat using the routine method, with low frequency of re-implantation.
   逆弯曲弧度法置入胃管一次成功率显著高于常规法，且反复置人率低。