闻旅此前也报道过，这艘船为了活下去，直接把价格打到349元5天4晚，平均一晚不到100块，比快捷酒店还便宜。但低价压缩的是利润空间，纯纯是赔本赚吆喝。
The TLB is flushed entirely on any write to CR3 (the page directory base register). There is no per-entry invalidation on the 386 -- that arrived with the 486's INVLPG instruction.，更多细节参见同城约会
。关于这个话题，WPS官方版本下载提供了深入分析
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).
Available for over a year，推荐阅读旺商聊官方下载获取更多信息
I'm not immune. I've been working on an extensible language-agnostic static analysis and refactoring tool for half a decade now. That's a mothlamp problem if I've ever seen one. My github account is littered with abandoned programming language implementations, parser generator frameworks, false starts at extensible autoformatters, and who knows what else. I think I've even got an async-await implementation in there somewhere. I've got the bug, and I fly toward the light.