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。
if (n <= 1) return;，详情可参考同城约会
Virtual memory is conceptually simple but potentially devastating to performance. Every memory access must go through segmentation (add segment base, check limit) and then paging (look up the page table). Naively, paging alone requires two additional memory reads per access -- one for the page directory entry, one for the page table entry.，详情可参考heLLoword翻译官方下载
Not all the individuals the charity supports are rough sleepers - some will be sofa surfing, others may have recently moved into accommodation.