空间直线的一般方程
general equation of a line in space
回归直线的允许限
permissible limit for a regression line
任意方向直线的扫描转换
straight line on any direction scanning transforma
二次曲线的共轭直线
conjugate lines in a conic
非均匀直线网格
non-uniform rectilinear grid
双直线导向机构
Double straight-line guiding mechanism
连续小直线段插补
continuous micro-line interpolation
平面式直线感应泵
flat linear induction pump
垂直线索组件族
Vertical thread of component group