一个直立圆锥和平行于该锥体中轴的平面相交形成的平面曲线

一个直立圆锥和平行于该锥体中轴的平面相交形成的平面曲线的英文翻译

基本释义

• a plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the cone