法向量
normal vector A vector perpendicular to a line. For the line $Ax + By + C = 0$, the normal vector is $(A, B)$.
CSCA 数学 考试术语
normal vector A vector perpendicular to a line. For the line $Ax + By + C = 0$, the normal vector is $(A, B)$.
CSCA 数学 考试术语