首先是“载波感测”。以太网站先检查“以太”是否空载，如果检测到信号了就排队等候自己的发送机会。

First of all, Ethernet stations check to see if the ether is idle (carrier sense) and wait if they sense a signal.

youdao

首先是“载波感测”。以太网站先检查“以太”是否空载，如果检测到信号了就排队等候自己的发送机会。

First of all, Ethernet stations check to see if the ether is idle (carrier sense) and wait if they sense a signal.

youdao