Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.
Critics, such as Greg Smith, MP for Mid Buckinghamshire, say soaring costs, delays, abandoned villages and damage to the natural and historic environment mean that it is not worth building.，详情可参考heLLoword翻译官方下载
南方周末：你提过，大概是在两年前开始准备重新参加肖赛。从那个时间点到2025年圣诞节前，你承受的压力是不是一直都很大？，更多细节参见51吃瓜
Getting children to play together cooperatively depends less on their personal social skills and more on what they are doing – especially if they are not friends – a study shows.，详情可参考夫子
中端机是用户最多的群体，在我国智能手机市场近10亿用户中，有5亿用户使用的都是价位段在2000元到4000元范围的中端机，其销量占比一度占据智能手机市场份额的一半还多。而近两年，中端机机海扎堆，同质化比较严重，再加上高端机型价格下探，中端市场的竞争异常惨烈，如今存储芯片拉动成本上涨，无疑让情况雪上加霜。