An effective method was brought forward to realize interactive selection ofarbitrarypoint on parametric curved surface.
提出了一种实现参数曲面上任意点选取的有效方法。
2
Thus, we give a make-graph methodof conic section on plane with arbitrarypoint as foci, arbitrary line as directrices and arbitrary positive number as eccentricity.
从而给出了以平面上任意点为焦点、任意直线为准线,任意正数为离心率的圆锥曲线的直接作图方法。
3
This article gives a description of a method to ascertain the magnetic field at any arbitrarypointof magnetic dipole space by a kind of reciprocity principle.