In recent years, networks of fiber-optic cable have been replacing electrical wire for transmitting telecommunications signals.

近年来，光纤网络已经取代了传输电信信号的电线。

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The robots send high-definition images and video to a ship by fiber-optic cable.

机器人通过光纤电缆向船上发送高精度图片和视频。

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This produces a "waveguide," which functions like a one-atom-thick fiber optic cable.

这就形成了一个“波导管”，就像一个单原子厚度的光纤电缆。

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Continuing efforts to replace copper communications cable with fiber optic cable will significantly reduce overall EMP vulnerability.

CENTERFORSECURITYPOLICY: Old threat with a new face

Continuing efforts to replace copper communications cable with fiber optic cable will reduce overall EMP vulnerability significantly.

CENTERFORSECURITYPOLICY: Center For Security Policy

Fiber optic cable is not vulnerable to EMP, but the switches and controls that use microelectronics in conjunction with the fiber optic cable need to be protected.

CENTERFORSECURITYPOLICY: Old threat with a new face