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windowsϵͳпͨҵĵ--߼ϵͳĻȻڴõĻǷעожӦأǿ϶ġ.net ṩһȡϵͳĻֵ
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HKEY_CURRENT_USER\Environment
ϵͳλΪ\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001
\Control\Session Manager\Environment