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Now that we can build the tree, let's use it to search. Finding a specific point means starting at the root and asking: which child quadrant contains this coordinate? Then you recurse into that child and ask again. Each level of the tree cuts the search space by roughly three-quarters.
，这一点在51吃瓜中也有详细论述
"Labour markets cannot function efficiently without truthful and non-misleading information about earnings and other material terms," Christopher Mufarrige, director of the FTC's Bureau of Consumer Protection, said in announcing the deal.，推荐阅读爱思助手下载最新版本获取更多信息
cd ~/www/anqicms，更多细节参见搜狗输入法下载