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
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词汇与结构Inertial guidance systems accumulate _____ over time.
A. errors
B. positions
C. factors
D. aids
词汇与结构Many autopilots incorporate thrust control capabilities that can control throttles to _____ the air-speed.
A. minimize
B. optimize
C. maximize
D. oppose
在采用ATC后,数控加工的辅助时间主要用于 ( )。
A. 工件的安装及调整
B. 刀具的装夹及调整
C. 刀库的调整
D. 换刀及调整
加工中心的主轴换刀装置是采用( )方式将刀具拉紧的。
A. 碟簧
B. 气动
C. 液压
D. 磁铁
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