PHY layer

• 物理层

PHY layer的用法和样例：

例句

1. To alleviate this, bridging was created to communicate at the data link layer while isolating the physical layer.
   为了减轻这个问题，桥接方法被采用，在工工作在物理层的中继器之基础上，桥接工作在数据链路层。
2. OSI Model follows what happens to the user's file as it passes through the different OSI Model layers starting at the Application Layer and working down the Physical Layer.
   开放系统互连模式跟随什么发生在用户的文件当它通过不同的开放系统互连模式层开始在应用层和运作在物理层下。