The algorithm maintains a running "best distance" that starts at infinity. As it walks the tree, it checks each visited point and updates the best distance if it finds something closer. Before recursing into a child node, it checks whether the closest possible point in that child's bounding box is farther than the current best. If so, the entire subtree gets pruned.
Photograph: Simon Hill
，这一点在heLLoword翻译官方下载中也有详细论述
2.8 GELU（Gaussian Error Linear Unit）
Andrew Robinson reviews five of the best science picks.
，这一点在旺商聊官方下载中也有详细论述
冒充军警人员招摇撞骗的，从重处罚。，详情可参考旺商聊官方下载
Lib Dem Chambers said sewage had been flowing into the river "for over 400 hours and counting" at one monitoring site near Headbourne Worthy.