This paper introduces the main technology and basic principle of new pattern design of cardigan using combined patternelement method in CAD.
论述了羊毛衫CAD中拼图式组合设计新款式的主要技术和基本原理。
2
The ? character means to match zero or one instance of the previous patternelement; the * character means to match zero or more of the previous element.
字符表示匹配前面模式元素的零个或一个实例，* 字符表示匹配前面元素的零个或多个实例。
3
Each pattern stands for a distinct chemical element, and so different sets or patterns of spectral lines mean that the star has a different chemical composition.