贫困是顽疾，“顽”在成因复杂、难以根除、极易反复。
Storage Nightmare: A CH car profile for a region can be massive (e.g., OSRM's Europe is tens of GBs, their global car profile around 200GB for just one profile). Our goal was to keep all profiles and parameters for the entire planet well under 20GB.。关于这个话题，一键获取谷歌浏览器下载提供了深入分析
Visual representation of an RGB colour cube that has been equally divided into 216 coloured boxes (6 levels along each axis).。关于这个话题，safew官方版本下载提供了深入分析
Андрей Ставицкий (Редактор отдела «Наука и техника»)