visual signal reception

例句：

1. 1.The camera is designed to receive visual signals from the environment.
   相机设计用来从环境中接收视觉信号。
2. 2.In this experiment, we are trying to improve our visual signal reception system.
   在这个实验中，我们正在尝试改进我们的视觉信号接收系统。
3. 3. The scientist used a special device to improve his visual signal reception.
   这位科学家使用了一种特殊的设备来提高他的视觉信号接收能力。