Railroad car is single section car, so microcomputer network system adopts two-stage control, does not have to adopt intricate Train-Bus that adopted by organize into groups car.
有轨电车为单节车辆，微机网络系统采用二级控制，不必采用编组运行车辆所采用的较复杂的列车总线。
2
With the relative water consumption of each growing stage as input and relative crop yield output, a BP artificial neural network structure containing a single hidden layer is established.