traffic control
They have to wait for clearance from air traffic control.
他们需要等空中交通管制人员的放行。
—— 柯林斯例句Analysts fear the overstretched air traffic control system could reach breaking point.
分析人士担心超负荷运转的空中交通管制系统会面临崩溃。
—— 柯林斯例句The pilot was given clearance to land by air traffic control.
飞行员得到空中交通管制站发出的着陆许可。
—— 给力词典精选The study says there must be a complete overhaul of air traffic control systems.
研究报告称必须全面改进空中交通管制系统。
—— 柯林斯例句The new method of traffic control is well schemed.
新的交通管制方法设计得很好。
—— 辞典例句