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Middle East crisis – live updates
。业内人士推荐新收录的资料作为进阶阅读
Segmentation maps a logical address (a 16-bit selector plus a 32-bit offset) to a 32-bit linear address, enforcing privilege and limit checks along the way. Paging then translates that linear address to a physical address, adding a second layer of User/Supervisor and Read/Write protection. The two layers are independent: segmentation is always active in protected mode, while paging is optional (controlled by CR0.PG).，推荐阅读新收录的资料获取更多信息
Фото: Abdul Saboor / Reuters。关于这个话题，新收录的资料提供了深入分析
圖像加註文字，3月1日，伊朗民航局發言人表示，伊朗全國空域關閉，「直到進一步通知」。沒能離開杜拜的蔓蔓則只能等。「我們到底該躲去哪裡？是要待在飯店就好，還是可以躲防空洞之類，其實沒有人跟我們說該怎麼做。」