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
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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
词汇与结构Once the gyros are spinning, they stay in_____ positions with respect to the horizon or direction.
A. content
B. consist
C. constant
D. contact