| 释义 |
DEFINITIVE EXAMPLES 权威例句〔angle〕The figure formed by two planes diverging from a common line.平面角:从一条公共直线出发的两个平面形成的图形美国传统〔helix〕Mathematics A three-dimensional curve that lies on a cylinder or cone, so that its angle to a plane perpendicular to the axis is constant.【数学】 螺旋线:附着于圆柱体或圆锥体之上的三维曲线,其垂直于中轴线的平面角是一个恒量美国传统〔plane angle〕An angle formed by two straight lines in the same plane.平面角:同一平面中两条直线形成的角美国传统 |