很多公共事业设备对更换电缆布线直接没兴趣：因为这将要求所有工程师重新接受训练。

Many utilities are simply not interested in changing their cabling: it would require all their engineers to retrain.

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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.

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理解并牢记我们对于综合布线系统电缆敷设的特殊要求。

We understand and remember the special requirements of the integrated wiring system of cable laying.

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