国务院核工业主管部门负责审查、办理核进口政府承诺事务，管理核进口涉及的保障监督事项。重要的保障监督事项，由国务院核工业主管部门会同外交部门、商务主管部门提出处理意见，必要时应当报国务院审批。
Three microcode cycles for the writeback alone. That's acceptable because segment loads are already expensive multi-cycle operations, and the designers likely expected them to be infrequent -- most programs load their segments once at startup and never touch them again. Page translations happen on every memory access, so the same approach would be ruinous. Hence the fully autonomous hardware walker.
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