网卡物理地址是唯一的吗?那它到底能不能改呢?网卡物理地址(MAC地址)是否唯一及可更改探讨
Is the physical address of a network card unique? So, can it be changed after all? Discussion on whether the physical address (MAC address) of the network card is unique and changeable
以上为机器翻译结果，长、整句建议使用 人工翻译 。