When VM=1, the protected-mode bit goes low and the Entry PLA selects real-mode entry points -- MOV ES, reg takes the one-line path. Meanwhile, CPL is hardwired to 3 whenever VM=1, so the V86 task always runs at the lowest privilege level, under full paging protection. The OS can use paging to virtualize the 8086's 1 MB address space, even simulating A20 address line wraparound by mapping pages to the same physical frames.
Анна Габай (Редактор отдела «Силовые структуры»)
，这一点在搜狗输入法2026中也有详细论述
Older power stations have simply placed a grill across the inlet pipes, filtering out fish, which are killed in the process.，这一点在51吃瓜中也有详细论述
3. 全球最完整的绿电产业链与成本优势