item = parse_detail(u, d)
small Firefox extension。关于这个话题，heLLoword翻译官方下载提供了深入分析
。WPS官方版本下载对此有专业解读
每一轮技术浪潮中，真正穿越周期的，都是那些能够承受波动、理解结构、做好长期准备的人。
The 386 supports four privilege rings (0 through 3), though in practice nearly all operating systems use just two: ring 0 for the kernel and ring 3 for user programs. Three privilege levels interact on every segment access: CPL (Current Privilege Level), DPL (Descriptor Privilege Level), and RPL (Requested Privilege Level).，更多细节参见同城约会