他也给他的狼群们装上无线电信号传送器获知它们的去向。
He also supplied his wolves with small radio-transmitters to know where they go.
地下6米处的这个区域，容纳了信号传送器通风冷却设备。
This section at 6 meters below the surface houses the ventilation equipment for the cooling of the transmitters.
不像使用当前技术，一端发送数据以后，需要等待另一端的传送器结束其任务。
With current technology, one side sends then waits while the transmitter at the other end takes its turn.
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