____________ congestion control to prevent the congestion. A: close loop B: open loop C: end loop

_____________ congestion control to remove the congestion in a network once it occurred. A: open loop B: end loop C: closed loop

Throwing a baseball pitch would be an example of what a control system? () A: Open Loop B: Closed Loop C: Efference Copy D: Central Centre (Executive)

在Oracle中，PL/SQL块中定义了一个带参数的游标：那么正确打开此游标的语句是（） A: OPEN emp_cursor USING 20 B: OPEN emp_cursor（20） C: OPEN emp_cursor FOR 20 D: FOR emp_rec IN emp_cursor（20） LOOP

The open-loop control method in congestion control can ensure that the problem will not appear at the beginning.

Closed-loop control system is an automatic control system. Open-loop control system is not an automatic control system.

​试点项目​​​ A: open-loop regulation B: pilot project C: electrical equipment D: breakthrough technology

试点项目 A: open-loop regulation B: pilot project C: electrical equipment D: breakthrough technology

1. In an open-loop control system, there is ( ). A: no feedback component B: no actuator C: no controller D: no amplification component

The open-loop control method in congestion control can ensure that the problem will not appear at the beginning. A: 正确 B: 错误