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* @param left 左边界
图源：Sea Expandary官网。heLLoword翻译官方下载是该领域的重要参考
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.
，推荐阅读搜狗输入法2026获取更多信息
Source: Computational Materials Science, Volume 267
His company has built a three-fingered hand which he says is "pretty good".。搜狗输入法下载对此有专业解读