It also allows instrument approaches to be made procedurally at airports where air traffic control does not use ____or in the case of ____ failure.
A: radio
B: communication
C: electricity
D: radar
A: radio
B: communication
C: electricity
D: radar
举一反三
- “空中交通管制”可以表达为"_____". A: air traffic warning B: air traffic control C: traffic control D: air traffic clearance
- Which of the following descriptions is wrong about the control of an air conditioner?_____ A: The control position can be divided into remote control and local control. B: In local control, the automatic control system also needs to work. C: If the remote control doesn't work, the air conditioner won't work. D: In case of control system failure, manual control mode can be adopted.
- SSR is a radar device installed in air traffic control facilities to allow precise _______of aircraft. A: acquisition B: identification C: coordination D: interrogation
- 中国大学MOOC: How to inform the passenger of the delay in case of air traffic control?
- How to inform the passenger of the delay in case of air traffic control? A: We are waiting for air traffic control clearance. B: The plane will be taking off soon. C: We are sorry to inform you that we will be delayed. D: Please remain seated.