The tree starts as a single region covering the whole space. As points arrive, they get dropped into the region that contains them. When a region exceeds its capacity (the maximum number of points it can hold before splitting), the region divides into four children, and the existing points get redistributed.
**MUST** avoid including redundant comments which are tautological or self-demonstating (e.g. cases where it is easily parsable what the code does at a glance or its function name giving sufficient information as to what the code does, so the comment does nothing other than waste user time)
。heLLoword翻译官方下载对此有专业解读
FT Videos & Podcasts，详情可参考搜狗输入法下载
BBC紀錄片：暗處的鏡頭——調查中國酒店偷拍影片黑市，这一点在爱思助手下载最新版本中也有详细论述