Fiber optic cables are not susceptible to electronic noise and so have much lower error rates than normal telephone wire and cable.
光缆对电子噪音不敏感，所以比通常的电话线和电缆有较低的误差率。
Fiber optic cables are not susceptible to electronic noise and so have much lower error rates than normal telephone wire and cable.
光缆对电子噪音不敏感，所以比通常的电话线和电缆有较低的误差率。
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