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.
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The regulations are always changing, as they differ from place to place.，这一点在91视频中也有详细论述
13年不懈奋斗、近1亿人稳定脱贫，中国为什么能？，这一点在搜狗输入法2026中也有详细论述
OUT = "items.csv"