Certain key services continue to be provided by government , including air traffic control and aviation meteorological services 不过，一些主要服务，例如空中交通管制和航空气象服务，则仍由政府提供。
When you think about air traffic control , the image of men and women in the tower of an airport probably comes to mind 人们一提起空中交通管制人员，就会自然而然的想起在机场地面指挥中心中的工作人员。
Article 74 the approval of an air traffic control unit shall be obtained for a civil aircraft to conduct flight activities in a controlled airspace 第七十四条民用航空器在管制空域内进行飞行活动，应当取得空中交通管制单位的许可。
In both military and civilian fields , for instance , in air defense and in air traffic control , we all need tracking targets in a reliable and accurate mode 在军事和民用领域譬如空防和空中交通管制中,需要可靠而精确的跟踪目标。
Atc clears you to sha at 10000m , after take - off maintain r / w heading to 900m . right turn set course climbing to 5400m over vb 空中交通管制放行你到上海，高度10000米。起飞后保持跑道航向爬高到900米，然后右转入航爬高到5400米飞越vb 。
The geographical distribution of windshear and turbulence is displayed on graphical displays for air traffic control supervisors and aviation forecasters 风切变和湍流的位置分布则以图像形式提供予空中交通管制督导及航空预报员参考。
Article 73 responsibility for the control of aircraft operating within a defined , controlled airspace shall be vested in a single air traffic control unit 第七十四条民用航空器在管制空域内进行飞行活动，应当取得空中交通管制单位的许可。
Ground personnel , including civil aircraft maintenance personnel , air traffic controllers , flight dispatchers and aeronautical radio station operators （二）地面人员，包括民用航空器维修人员、空中交通管制员、飞行签派员、航空电台通信员。
