公切线

给出了求解公切线的算法和网络搜索球机制的算法。

Given the algorithm for solving common tangent ball mechanism and network search algorithms .

求具有公共对称轴线的二圆锥曲线的公切线

Finding the common tangent of two circular cone curves with the communal axis of symmetry

两圆锥曲线公切线的图解方法

A Graphic Method of Determining Two Conic Sections Common Tangents

讨论了圆的切线及两圆内外公切线的一般求法及步骤。

The general ways and procedures of working out internal and external co-tangents of circles are discussed .

两二次曲线公有点和公切线的图解问题二次曲线的切线作法

THE GRAPHICS OF THE INTERSECTIONS AND COMMON TANGENTS OF TWO CONICS A Method of Drawing Quadric Curve Tangents

其次对于包皮前段和包皮后段，以中段公切线为依据构造曲线，并对其光顺、插值，确定其交线。

Then , for the frontal segment and the back segment of the skin , the curve is constructed in terms of the tangent line of the middle segment , its intersection is determined by smoothing and inserting values on it .

改造后的系统不仅使数据采集、处理过程全部自动化，且成功地完成了对实验数据后续处理；滞回圈等非规则曲线面积及莫尔圆公切线求解等一系列复杂计算。

The system not only makes data processing and data sampling entirely automatic but also succeeds in a series of difficult problems , such as calculation of the area of hysteresis loop and other irregular cure , and common tangent of Mohrs circle .

工程勘察三轴试验的总应力强度指标的计算，运用解析几何原理导出任意两个应力圆公切线切点坐标计算公式，尤其是直接计算切线斜率。

In order to calculate the intensity of general-stress in tri-axis test in geotechnical investigation , the author uses cartesian geometry principle to derivate calculation functions of common tangent points coordinates of every circle by the common tangent line . Especially , the slope tangent line is calculated directly .