我得到一个local variable 'netbios_name' referenced before assignment错误,这也是operating_system变量的情况。">general-purpose</tag>
<tag name="operating-system">Microsoft Windows Server 2003 Service Pack 2</tagnetbios-name'
[['SR OS', 'Operating_System'], ['NSP', 'Operating_System']]
1 The 7250 IXR is managed by the NSP,[['SR OS', 'Operating_System'], ['NSP', 'Operating_System<
='Ios' AND browser='Firefox') (device = 'Desktop' AND operating_system='Ios' AND browser='Default') (device = 'Desktop' AND operating_system='Default' AND browser='Fi