n.1.【数学】二等分线;平分面。2.二等分物。acute bisectrix: 敏锐二等分角; 锐二等分线; 锐角等分线; 锐角平分线bisectrix figure: 等分线干涉图obtuse bisectrix: 钝角等分线acute bisectrix figure: 锐角等分线干涉图bisector of angle: 角的平分线; 角平分线下载手机词典可随时随地查词查翻译