According to the concept of envelope evaluates equation of contour,the conclusion can be reached that the contour of torus is colse elliptc equidistant curve but is not ellipse.

根據(jù)包絡(luò)的概念解出輪廓線的方程式4455www看片，從而得出結(jié)論：圓環(huán)面的輪廓線是封閉的橢圓等距曲線日韩AV无码精品久久人妻，而不是橢圓狂野欧美性猛交XXXX。

Abstract〕In the outline process of ellipse, the central orbit of his tool should be with the ellipse outline established laws to the equidistant curve.

橢圓的輪廓加工中久色入口，其刀具中心的軌跡應(yīng)是與橢圓輪廓成法向等距的曲線。

A plane curve everywhere equidistant from a given fixed point, the center.

圓国产在线国偷精品产拍，圓形從定點等距離到任一點的平面曲線

In this paper we derive the. curve equation of tooth profile on the basis of its meshing principle and discuss the necessity and possibility of replacing the equidistant curve which in the circular section of lang arc external pendulum curve by circular arc.

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Study on geometry theory and engagement characteristics of scroll profiles Aiming as the limitations of scroll profiles in existence, the whole characteristics and local characteristics of plane curve instinct equation were studied. Analyzed the equidistant curve of envelope principle, normal equidistant curve creating method and envelope equidistant curve creating method were gained.

針對現(xiàn)有表征方式的局限性和不足之處免费線上看国产黄色网站，從微分幾何角度出發(fā)，研究了平面曲線固有方程的局部特性和整體特性两男一女激情毛片视频，分析了通用渦旋型線等距曲線和包絡(luò)原理欧美大片A片在线观看免费，得到了法向等距曲線生成及包絡(luò)法等距曲線生成方法，推導(dǎo)了通用渦旋型線的坐標(biāo)變換方法95视频高潮喷水，得到了通用渦旋型線的平面嚙合理論一级a爱在线视频免费观看。

equidistant curve：等距曲線

等距 equidistant | 等距曲線 equidistant curve | 等距線 equidistant line

equidistant curve of epicycloid：內(nèi)擺線的等距曲線

長幅外擺線的等距曲線 equidistant curve of prolate epicycloid | 內(nèi)擺線的等距曲線 equidistant curve of epicycloid | 短幅外擺線的等距曲線 equidistant curve of curtate hypocycloid

equidistant curve of epicycloid：外擺線的等距曲線

內(nèi)齒針齒輪 internal pin wheel | 外擺線的等距曲線 equidistant curve of epicycloid | 長幅外擺線的等距曲線 equidistant curve of prolate epicycloid

equidistant curve of prolate epicycloid：長幅外擺線的等距曲線

外擺線的等距曲線 equidistant curve of epicycloid | 長幅外擺線的等距曲線 equidistant curve of prolate epicycloid | 內(nèi)擺線的等距曲線 equidistant curve of epicycloid

equidistant curve of curtate hypocycloid：短幅外擺線的等距曲線

內(nèi)擺線的等距曲線 equidistant curve of epicycloid | 短幅外擺線的等距曲線 equidistant curve of curtate hypocycloid | 發(fā)生圓柱面 generating cylinder