飞行管制 flight control ; traffic control ; air traffic control
管制目视飞行 control vfr flight
多处理机飞行管制系统 multiprocessor flight control system
飞行员得到空中交通管制站发出的着陆许可。
The pilot was given clearance to land by air traffic control.
在晴天，在管制空域内的飞行员可以选择目视飞行规则或者仪表飞行规则的飞行计划，而且联邦航空局的条例是以这样一种方式设计的：在同一空域同时适用目视飞行规则和仪表飞行规则的操作。
On a clear day, a pilot in controlled airspace can choose a VFR or IFR flight plan, and the FAA regulations were devised in a way which accommodates both VFR and IFR operations in the same airspace.
在其他地方，在不受控制的空域，飞行员受到的管制较少。
Elsewhere, in uncontrolled airspace, pilots are bound by fewer regulations.
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