The 80386 introduced Virtual 8086 (V86) mode -- allowing real-mode DOS programs to run inside protected mode under OS supervision. While not full virtualization in the modern sense, V86 was the first practical hardware-assisted mechanism on x86 for running legacy software in a protected environment -- used widely in Windows 3.x and Windows 9x.
that actually did the accounting.
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2026-02-28 00:00:00:0 国务院关税税则委员会：
Enhancing Sales Operations:
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