通过在粗同轴电缆中以广播方式发送数据包，以太网把网线布线当作广播用的“光以太”。
Ethernet used its cabling as radio "ether" by simply broadcasting packets over a thick coaxial line.
圆柱式连接器这种连接器是一种圆柱形(桶形)连接器，用于将两根以太网粗同轴电缆结合在一起。
Barrel connector This connector is a cylindrical (barrel-shaped) connector used to splice together two lengths of thick Ethernet coaxial cable.
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