The factors affecting the lift of aircraft include angle of attack, air speed, airfoil shape and air density.
举一反三
- The takeoff speed required varies with air density, aircraft gross weight, and aircraft ______ (flap and/or slat position, as applicable).
- 词汇与结构 This relationship between temperature, altitude, and air density can be expressed as a _______ altitude, or the altitude in the International Standard Atmosphere at which the air density would be equal to the actual air density.
- 4. From the control tower, air traffic controllers coordinate aircraft movement both ________ and on the ground. A: on the air B: in the air C: at the air D: of the air
- Transport agencies include air and surface（）.
- Air traffic control provides traffic ______ services to the aircraft on a time permitting basis.