适用：数据均匀分布，如[0,1)之间的浮点数
The algorithm also visits children in order of distance to the query point. This means it checks the most promising quadrants first, which tends to find a good candidate early and enables aggressive pruning of the remaining quadrants. Without this ordering, the algorithm would still produce the correct result, but it would prune fewer nodes.。业内人士推荐快连下载安装作为进阶阅读
LickitungIntroduced in Gen I (1996)，推荐阅读Line官方版本下载获取更多信息
value=$(security find-generic-password -a "$USER" -s "$service" -w)