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The x86 protection model is notoriously complex, with four privilege rings, segmentation, paging, call gates, task switches, and virtual 8086 mode. What's interesting from a hardware perspective is how the 386 manages this complexity on a 275,000-transistor budget. The 386 employs a variety of techniques to implement protection: a dedicated PLA for protection checking, a hardware state machine for page table walks, segment and paging caches, and microcode for everything else.，更多细节参见服务器推荐
牛犇（Neil Thomas）在郵件中分析，官方公告稱，張又俠和劉振立是「經黨中央研究」後被清洗的，據他所知，這種措辭在軍隊清洗公告中是前所未有的。這暗示了習近平本人異常高度的介入，考慮到撤換軍委最高級別作戰指揮官的敏感性，這是合乎邏輯的。，详情可参考WPS官方版本下载
This story was originally featured on Fortune.com