摘要: http://www.chinaz.com/design/2015/1109/467968_2.shtml The golden ratio: 1.618 a/b=b/(a+b) The Fibonacci series: The perfect arc: The round circles 阅读全文
posted @ 2016-05-16 10:55 calochCN 阅读(141) 评论(0) 推荐(0) 编辑