Point lookups are useful, but the operation you'll reach for more often is a range query: give the tree a rectangular region and retrieve every point inside it, without scanning the entire dataset.
（一）组织、胁迫、诱骗不满十六周岁的人或者残疾人进行恐怖、残忍表演的；
，这一点在Line官方版本下载中也有详细论述
The Wu-Tang Clan are the only hip-hop act to be nominated
• （本文仅为作者个人观点，不代表本报立场）
Dominic Ethan Stewart was among 19 killed when vehicle veered off road and plunged down mountainside