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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.
，更多细节参见爱思助手下载最新版本
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。
第六条 治安管理处罚必须以事实为依据，与违反治安管理的事实、性质、情节以及社会危害程度相当。