题目内容

词汇与结构________ provides roll steering command to the autopilot and VNAV provides speed/altitude targets to the autopilot.

A. LNAV
B. VNAV
C. NAV
D. RNAV

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词汇与结构Each contains a gyro rotor driven by air or electricity and each makes use of the gyroscopic _____to display the attitude of the aircraft.

A. principals
B. principles
C. positions
D. process

词汇与结构The primary trait of a rotating gyro rotor is _____ in space, or gyroscopic inertia.

A. rigidity
B. stability
C. capability
D. maneuverability

词汇与结构The heading indicator and attitude indicator use gyros as an unchanging_____ in space.

A. reserve
B. redundancy
C. aid
D. reference

词汇与结构The rotor of the universally mounted gyro remains in the same position even if the _____ gimbals are moved. which reduces the workload placed on any one crew member.

A. around
B. surrounding
C. closing
D. standing