Lingaku- binormal vector (to a space curve)
Generated: This term refers to a vector that is perpendicular to both the tangent and the normal vectors at a given point on a space curve, forming an orthonormal basis.
zài在kōng jiān空间qū xiàn曲线de的yī diǎn一点shǎng上，fù fǎ xiàng liàng副法向量yú与qiē xiàng liàng切向量hé和fǎ xiàng liàng法向量chuí zhí垂直。
At a point on the space curve, the binormal vector is perpendicular to both the tangent vector and the normal vector.