And then, if you saw, the panels actually rotate. So you can get the information on the front side, but as they rotate, you can see the actual recycling plant behind, with all the machines as they actually process the water.
接着，如果你看到的话， 这些板子实际上在转动。所以你能看到设备的前面，收集信息， 而在它们转动时，你能看到实际上它的后面， 以及所有处理流水的机器。