A _______ will reduce the ground speed needed for takeoff, as there is a greater flow of air over the wings.
举一反三
- 词汇与结构 During the takeoff right ______ will also be needed to compensate for engine torque and propeller “P” factor, which try to push the nose to the left as well.
- The takeoff speed required varies with air density, aircraft gross weight, and aircraft ______ (flap and/or slat position, as applicable).
- Takeoff is the phase of flight in which an aircraft goes through a _____ from moving along the ground (taxiing) to flying in the air, usually starting on a runway.
- 词汇与结构 Warm air is less dense than cool air, and _____ air is less dense than dry air.
- 词汇与结构 As long as the thrust continues to be greater than the drag, the airplane continues to _____.
内容
- 0
词汇与结构 Before takeoff, the engines, particularly piston engines, are routinely run up at high power to check for ________ problems.
- 1
词汇与结构The amount and pressure of the ________ air is regulated by a computer and outflow valves.
- 2
Honey bees have wings that are similar in shape and function to the wings of bats. The wings of honey bee wings do not have bones or share similar structures as bat wings. They do share any evolutionary history. This is an example of A: analogy. B: homology. C: monoplytic groups. D: sister taxa.
- 3
According to the passage, the first rain on Venus will ______. A: fall on its ground B: reduce the ground temperature to 35℃ C: reduce the ground temperature to 70℃ D: turn into steam in the atmosphere
- 4
词汇与结构All exhaust air is _____to atmosphere via a valve, usually at the rear of the fuselage.