他的主要著作是关于圆锥线的，但也写过其他方面的著作。
His chief work was on the conic sections but he also wrote on other subjects.
在特定条件下，椭圆锥与平面的截交线为圆。
Under definite conditions, the intersection of an elliptic cone with a plane is a circle.
解析几何中圆锥截线的一条封闭曲线，包含了与两个定点(焦点)之距离呈等值增加的所有点。
Closed curve, one of the conic sections of analytic geometry, consisting of all points whose distances from each of two fixed points (foci) add up to the same value.
顶点：轴承中心线和圆锥轴承滚子表面延长线的交点。
APEX : The common point on the axis of a bearing where angular lines of each of the various tapered roller surfaces meet.
表面有：平面、圆柱、圆锥、球体、圆环、挤压突出、旋转、嵌线和管道。
Surfaces are: plane, cylinder, cone, sphere, torus, extruded, revolved, ruled and pipe.
圆锥滚子轴承内圈(外圈)的轴心线。
Tapered roller bearing inner ring (outer ring) of the axis line.
利用计算机辅助设计可给出一种新的圆锥、圆柱正交相贯线最右点的求解方法。
It is able to provide a new method for the calculation of furthest right point of taper and column pro-cuts by CAD.
本文利用矩量法分析任意形状导体地面上的线栅型圆锥单极子天线。
Wire conical monopole antennas at an arbitrarily conducting ground plane are analyzed by the Method of Moment (MM).
一些例子所给予者和限制各界的多边形，线相交和相切的圆锥部分，帕普斯和墨涅拉俄斯配置的点和线。
Some examples are given by inscribed and circumscribed circles of polygons, lines intersecting and tangent to conic sections, the Pappus and Menelaus configurations of points and lines.
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。
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.
分析了圆锥轴线为正平线时，在水平面投影图中轮廓线的投影。
The H-project of a cone whose axis is parallel to V-plane is analysed.
阿普罗涅斯：古希腊数学家，他最早定义了称为抛物线、双曲线和椭圆的圆锥形部分。
Greek mathematician who first defined the conic sections called the parabola, hyperbola, and ellipse.
获得波后流场的等压力线、等密度线、等马赫线和圆锥表面的压力系数，确定了锥激波的几何位置。
Pressure contours, density contours, Mach number contours and pressure coefficient on the cone are obtained. Conical shock wave position is geometrically determined.
圆锥滚子轴承的负荷作用于轴承在某一个角度，即所谓的阿尔法对轴中心线的接触角，（参见下图）转移。
Taper Roller Bearings transfer the loads acting on the bearing at a certain angle, the so called alpha contact angle towards the shafts centre line, (see sketch below).
文章提出了一种在经济型数控机床上实现等螺旋角圆锥螺旋线的加工方法，其原理是用等导程螺旋线去逼近此种曲线。
This paper presents a method for machining of taper cutting tools with equal helix Angle. The principle of the method is using taper helical curve with equal pitch to approach equal Angle one.
斜圆锥体交线的展开图形状较复杂且不易确定，用常规的方法更难找到较好的解决方法。
The unfolded picture of intersection of 2 inclined tapers is extremly complex and not easy to decide.
轴承内圈(轴圈)的基本圆柱孔或圆锥孔的内接圆柱体或内接圆锥体的轴心线。
Bearing inner ring (shaft circle) of the basic cylindrical hole or holes in the internal tapered cylinder or cone in the axis line access.
01圆锥轴承套圈自动车削生产线具有高精度、高效率、高可靠性及可用于大批量生产等优点。
The ZZX-01 automatic turning product line of taper bearing ferrule has the advantages such as high-precision, high-efficiency, high-reliability and mass-production.
本实用新型钢绞线束穿索器，主要由底面面积一致的圆柱形部和圆锥形部组成，两者 均为钢板折弯焊接而成；
The steel stranded wiring harness reeving device is mainly composed of a cylindrical part and a conical part which have the consistent bottom area and are both bended and welded by steel plates;
本实用新型钢绞线束穿索器，主要由底面面积一致的圆柱形部和圆锥形部组成，两者 均为钢板折弯焊接而成；
The steel stranded wiring harness reeving device is mainly composed of a cylindrical part and a conical part which have the consistent bottom area and are both bended and welded by steel plates;
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