未对动物采取安全措施，致使动物伤害他人的，处一千元以下罚款；情节较重的，处五日以上十日以下拘留。
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.
。WPS官方版本下载对此有专业解读
Фото: Valentyn Ogirenko / Reuters
Фонбет Чемпионат КХЛ
Pakistan defence minister says country in 'open war' with Afghanistan after strikes