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
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词汇与结构The _____of autopilots to airliners with more than twenty seats is generally made mandatory by international aviation regulations.
A. fitting
B. filter
C. fit
D. fitment
词汇与结构Autopilots in modern complex aircraft are three-axis and generally divide a flight into taxi, takeoff, ascent, level, descent, approach and landing _____.
A. paces
B. progress
C. phases
D. projects
词汇与结构The software reads the aircraft’s _____ position, and controls a Flight Control System to guide the aircraft.
A. current
B. constant
C. concrete
D. convenient
词汇与结构Inertial guidance systems accumulate _____ over time.
A. errors
B. positions
C. factors
D. aids