Technology of Business
首次启动会拉大量镜像，时间可能较长。
。关于这个话题，heLLoword翻译官方下载提供了深入分析
You look at a region of the image. If all the pixels are roughly the same color (below some threshold), you store the average color for the whole region as a single value. If the pixels vary too much, you split the region into four quadrants and try again.，更多细节参见快连下载安装
FT Videos & Podcasts。im钱包官方下载对此有专业解读