The paper presents the graphic method of solution of the intersection of right elliptic cone with plane by rotation of auxiliary planes at a certain Angle.
提出一种将辅助平面旋转某个特定的角度图解正椭圆锥面截交线的方法。
In profile, the forehead and muzzle touch on the same vertical plane of a right Angle whose horizontal plane is the top of the skull.
从侧面看，额头和口吻处于同一垂直平面上，与头顶的水平面正好成直角。
This article introduced a general method of drawing plane right-angle coordinates in Borland c++Builder 6 and explained how to use its code in detail.
针对直角坐标系下圆周截面形状误差评价，介绍了一种圆柱体截面圆度误差的测量与评定方法。
This article introduced a general method of drawing plane right-angle coordinates in Borland c++Builder 6 and explained how to use its code in detail.
针对直角坐标系下圆周截面形状误差评价，介绍了一种圆柱体截面圆度误差的测量与评定方法。
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