coon's短语⁷⁹⁹⁷⁸⁺⁹ 例句 The development of free-form curves and surfaces, such as Coon's patch, Bezier's patch, and B-spline, enables a CAD system to be used for sophisticated curves and surface design. 自由曲线及其曲面的发展，如昆氏嵌面、贝塞尔嵌面以及 B样条曲线，使 CAD系统可用与复杂曲线与曲面设计。 docin