它还具有治疗功能：机器人如今可用来帮助照看老年人；在日本，机器人出售用来诱使网瘾者脱离网络空间。

It can be therapeutic: robots are now used to help care for the elderly; in Japan, they're marketed as a way to lure addicts out of cyberspace.

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但在Grex的系统内，水下机器人将充当一个中继站，将来自母船的控制信号传给连网的其他机器人，这种方式下的传输距离可达到数英里。

But in the Grex system, vehicles will be able to act as relay stations, bouncing a control signal from the mother ship to the networked submarines over many miles.

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随着这个信号在全息网中传播，机器人突然就地停止，放下武器。

Droids suddenly stopped in their tracks and dropped their weapons as the signal wormed its way through the HoloNet.

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