例句與造句

1. PLCs may include logic for single-variable feedback analog control loop, a proportional, integral, derivative ( PID ) controller.
2. Historically PLCs were usually configured with only a few analog control loops; where processes required hundreds or thousands of loops, a distributed control system ( DCS ) would instead be used.
3. It's difficult to find analog control loop in a sentence. 用analog control loop造句挺難的