Some concerns also have been raised that deep-sea vessels could have military-related applications such as tapping into or severing communications cables.

一些顾虑也已提出，深海船只可能与军事有关的应用，挖掘或切断通信电缆等。

youdao

In addition, disasters can bring down electricity and communications cables, block tunnels and cause fires -all of which may hamper rescue efforts and endanger lives.

此外，矿难会破坏矿井中的供电及通讯系统，造成隧道堵塞和火灾等，这些问题都会阻碍救援工作，危及矿工们的生命。

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Despite widespread wireless Internet and satellite connections, global communications still rely largely on the vast webs of fibre optic cables that cover the planet.

尽管无线与卫星连接被广泛应用，全球通讯还是主要仰赖于遍布地球表面的光纤。

youdao

The project will tap existing undersea fiber optic cables and communications satellites to transmit information some 100 times faster than currently possible.

CNN: THE INTERNET

While cables serve as secure communications links to critical systems, wireless connections are susceptible to hackers, which opens the door to myriad potential problems.

FORBES: For Hackers, There's A Tempting New Target: Your Car

According to one person familiar with the situation, Mukesh has expressed interest in leasing fiber-optic cables from Anil's firm, Reliance Communications Ltd.

WSJ: Mukesh Ambani Plans Huge 4G Wireless Network in India