They believe that an energy-efficient Roboclam could anchor an autonomous underwater vehicle, search for mines or lay underwater cables.

他们认为这样一种有效利用能量的机器蛏子可以用于固定寻找矿藏或安放于海底电缆之类的自动设备。

Instead of the usual alternating current transmission, Nur Energy plans to send the power by a dedicated direct current underwater cable.

努尔能源并非使用通常的交流传输, 这家公司计划使用专门的直流水下电缆送电。

Though it will stretch for thousands of miles, it will account for just the tiny part of the vast intricate network of underwater fiber cables that ships have been laying since the 1800s.

尽管可能会绵延数千英里，但同18世纪就已经开始的庞大复杂网络的水下光纤电缆工程相比，这只是小巫见大巫。