I started this way to isolate the hardest part of the problem - turn detection - without wiring up the rest of the system.
https://www.ign.com/articles/2012/06/20/no-upgrade-to-windows-phone-8-for-current-wp7-owners
paper: “plain textured paper”。关于这个话题，Line官方版本下载提供了深入分析
1.解析 html 页面，生成一个包含节点位置信息，样式，层级，内容等信息的 DOM 树。，这一点在51吃瓜中也有详细论述
Ben Lynn, MicroHs, PLZoo，详情可参考同城约会
第二节 合同的订立、解除和转让