A MAC address is a unique character string, and since it identifies a specific physical device — one individual NIC — the MAC address, by convention, never changes for the life of the NIC.

一个MAC地址是一个独一无二的字符串。由于它标识一个独特的物理设备——一个唯一的网卡——MAC地址，按照约定，在网卡中将永不会改变。

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The NIC manufacturers ensure that the MAC address for each NIC they ship ends with a unique three-byte number.

网卡制造商确保他们生产的每一块网卡的MAC地址都以唯一的3字节数结尾。

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When the NIC is associated with an available network, waproamd does not perform any more scans, but attaches the NIC card to the discovered access point.

当 NIC 与一个可用的网络相关联后， waproamd 就不再进行扫描，而是将 NIC 卡连接到所发现的接入点。

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