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The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.，更多细节参见heLLoword翻译官方下载
// Sync — when all components are synchronous，详情可参考safew官方下载
第四十条 居民委员会或者居民委员会成员作出的决定侵害居民合法权益的，受侵害的居民可以申请人民法院予以撤销，责任人依法承担法律责任。，推荐阅读下载安装 谷歌浏览器 开启极速安全的 上网之旅。获取更多信息