plane angle
短语平面角
词形变化
plane angles
复数
plane angles
释义与例句
n.
-
1.
An angle formed by two intersecting straight lines.
可数 不可数 数学 -
2.
An angle formed by two intersecting planes, measured by the angle between two intersecting straight lines that are in respective planes and perpendicular to the intersection of the planes.
可数 不可数 数学