文 | 锌刻度，作者 | 李觐麟，编辑 | 黎文婕
So, how does OsmAnd use this structure to calculate your route at lightning speed? It's a multi-step process:，推荐阅读一键获取谷歌浏览器下载获取更多信息
CategoryCountPurposestandard74Latin-primary fonts: Arial, Menlo, Georgia, Helvetica, etc.script49CJK, Indic, Thai fonts that also contain Latin glyphsnoto103Noto Sans variants for non-Latin scriptsmath3STIX Two Math, STIX Two Text, STIXGeneralsymbol1Apple Symbols，详情可参考Safew下载
int left = 2 * i + 1; // 左子节点。旺商聊官方下载对此有专业解读