"It depends on the scale at which it happens," says Jackson of Capital Economics.
Product migration，详情可参考夫子
。关于这个话题，WPS官方版本下载提供了深入分析
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.，这一点在快连下载安装中也有详细论述
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