| 1. | New subhead " enhancement to air traffic control systems
新分目提升航空交通管制系统的功能 |
| 2. | Let ' s follow a flight to demonstrate this system
下面让我们来一次飞行，走近空中交通管制系统。 |
| 3. | Highway traffic control system
公路交通管制系统 |
| 4. | However , the air traffic control system is much more complex than that
事实上，空中交通管制系统要比这复杂得多。 |
| 5. | Urban traffic control system
城市交通管制系统 |
| 6. | The existing air traffic control system has been in use for over five years
现有的航空交通管制系统已投入使用超过5年。 |
| 7. | Traffic regulation system
交通管制系统 |
| 8. | In this article , we will examine air traffic control in the united states
在这篇文章中，我们将更详细的了解关于美国的空中交通管制系统。 |
| 9. | Air traffic control system command center ( atcscc ) - the atcscc oversees all air traffic control
空中交通管制系统指挥中心（ atcscc ）指挥中心全面监控空中交通管制系统。 |
