英语词源
- bisector (n.)
- 1821; agent noun from bisect.
权威例句
- 1. Let OC be the bisector of angle AOB.
- OC为AOB的角平分线.
- 2. A perpendicular bisector of a chord passes through the centre and bisects the arc.
- 弦的垂直平分线经过圆心,并且平分弦所对的两条弧.
- 3. The article discusses the determination and quality of angular bisector of two lines.
- 利用二次曲线的射影理论讨论了二直线夹角的平分线的确定与性质.