曲面近似 meaning in Chinese

surface approximation

Firstly part of quadratic term of taylor series is chosen ; a low - dimension surface is used to approximate limit state surface ; and the modified reliability formula is derived
首次选取泰勒级数的部分二次项，用一个距原点最近点处拟合的超低维曲面近似极限状态面。
Applying the above - mentioned method , the author developed an approximate developing - mapping system based on catia v5 using vb , realized the development computing of panel surface and auto - drawing of developed shape in catia , dealt with the problem : getting mesh data from analysis & simulation module of catia , picking up structure information data in iges , showing 2d developed model in catia
应用上述几何展开算法，作者基于windowsnt 2000 xp系统和catiav5平台用visualbasic开发了一套“不可展曲面近似展开和内部结构信息映射系统”软件，简称demaps系统，实现了飞机壁板类零件的展开计算和展开图形自动绘制。