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Real-mode programs freely execute CLI and STI to control interrupts, PUSHF and POPF to manipulate flags, INT n for DOS and BIOS calls, and IN/OUT for hardware I/O. In normal protected mode, these instructions are privilege-checked -- they execute normally if the caller has sufficient privilege, and fault otherwise. The 386 can't simply let V86 tasks execute them freely -- a DOS program disabling interrupts would bring down the whole system -- but trapping on every INT 21h call would make V86 impractically slow.
。搜狗输入法2026对此有专业解读
我们刚坐定，他的手机在饭桌上响了起来。第一声没接。第二声响起时，阿爸起身走到门口。院子里的烟火光在他的光头上闪了一下。
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中国人民解放军和中国人民武装警察部队按照中央军事委员会的规定，做好核事故应急相关工作。