标签：image sed nbsp opened closed es2017 display close images
1，数列
a = 1/2 时, N->正无穷 , S->2
float lens = length(@P); @P.y += ( pow(0.5,lens) - 1.0f) / (0.5-1);
标签：image sed nbsp opened closed es2017 display close images
原文地址：http://www.cnblogs.com/gearslogy/p/8012626.html
