释义 |
undevelopable 英ʌndɪ'veləpəbl美ʌndɪ'veləpəbl COCA²²⁴²⁷⁴ 基本例句 adj.无法发展的¹⁰⁰ A circular ring sector with appropriate radii and central angle may be taken as approximate developing pattern of a coil of an undevelopable right helicoid. 具有适当半径和中心角的圆环扇形可取为不可展正螺旋面一个导程的曲面的近似展开图。 cnki According to their developable characteristic, curved surfaces can be divided into developable and undevelopable ones. 按照它们的可展性质,曲面可以分为可展曲面和不可展曲面。 cnki In this article the developable and undevelopable surfaces were described. Their definition were given by the differential geometry and their characteristics were proved. 此文论述了可展曲面和不可展曲面,借用微分几何的方法,给出了它们的定义,并证明了它们的可展性质和不可展性质。 cnki There are many different methods to develop the same undevelopable curved surface, the criteria must be created to evaluate which one is the most appropriate. 对同一不可展曲面的展开可有多种近似展开方法,究竟哪种方法更为合理应建立相应的评判标准。 dictall |