第三十条 有下列行为之一的，处五日以上十日以下拘留或者一千元以下罚款；情节较重的，处十日以上十五日以下拘留，可以并处二千元以下罚款：
'A dangerous precedent'
。safew官方版本下载是该领域的重要参考
企业需要根据自身的业务需求，选择最适合的技术方案。
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.