超环面 meaning in English
toroid
Examples
- The meshing efficiency of the drive is studied and analyzed in theory . the different formulas for meshing efficiency of drive are introduced on different conditions when stator or worm is fixed respectively
从理论上研究分析了滚锥齿超环面行星蜗杆传动的啮合效率，推出了在定子固定和蜗杆固定两种情况下滚锥齿超环面行星蜗杆传动啮合效率的计算公式。 - It can be regard as the theoretical basis to optimize the drive . according to the gear meshing theory , the meshing equations , the contact line equations and tooth profile equations are given . it gives a base for 3d modeling the drive
按照齿轮啮合理论，推导出了滚锥齿超环面行星蜗杆传动的接触线方程、啮合方程及各轮轮齿的齿面方程，为滚锥齿超环面行星蜗杆传动的三维建模奠定了基础。 - On the base of deducing meshing theory , by simplifying the parameters and using software , the 3d model of the rolling cone - type toroidal drive is given . and the parametric models are realized . the assemble chart of drive is given
在啮合理论推导的基础上，通过对滚锥齿超环面行星蜗杆传动的各参数进行简化处理，利用计算机软件对滚锥齿超环面行星蜗杆传动进行了三维实体参数化建模，实现了模型的参数化，给出了该传动的装配图，并进行了动态仿真。 - Corneal surfaces in eyes with regular astigmatism are thought to be toroidal surfaces . based on mathematical models for corneal surfaces before and after treatment , a corneal ablation model is given for such refractive errors as spherical myopia , compound myopic astigmatism , and simple myopic astigmatism . a similar corneal ablation model is also given for such refractive errors as hyperopia , compound hyperopic astigmatism , and simple hyperopic astigmatism
采用超环面( toroidalsurface )建立起规则散光下的角膜曲面模型方程;定量研究了手术光学区屈光不正两种通用的矫正模型,一种模型适用于单纯近视、复性近视散光、单纯近视散光的矫正,另一种模型适用于单纯远视、复性远视散光、单纯远视散光的矫正;另外,作为影响手术效果的重要因素,提出了一种用于光学区直径和过渡区宽度均可调节时过渡区角膜切削量的计算模型。 - By means of the optimization method - punishing function method and taking the sum of the planet gear radius and center distance as the target function , the parameters of drive are optimized . by using the optimization program , the initial serial studies of drive are completed , the best serial parameter value of the drive is given
采用外点罚函数优化方法，通过取行星轮半径和中心距之和作为优化目标函数，对滚锥齿超环面行星蜗杆传动进行了参数优化，运用此优化程序，初步完成了对该种传动的系列化研究，给出了传动系列的最佳参数取值。