即使是没有巡逻员的时候,摄像机、无人驾驶侦察机以及三种不同的地震传感器、磁场感应器以及红外线感应器也在实时监控。
When there are no agents around, cameras, reconnaissance drones and three different types of sensors-seismic, magnetic and infra-red-keep tabs on things.
即使是没有巡逻员的时候,摄像机、无人驾驶侦察机以及三种不同的地震传感器、磁场感应器以及红外线感应器也在实时监控。
When there are no agents around, cameras, reconnaissance drones and three different types of sensors-seismic, magnetic and infra-red-keep tabs on things.
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