词汇与结构Multi crew pilot training is one of the effective measures to defend _________ loss of control.
A. from
B. on
C. against
D. with
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词汇与结构Mechanical and hydro-mechanical flight control systems both require _________ backup to deal with failures, which again increases weight.
A. redundant
B. abandoned
C. sufficient
D. introduced
词汇与结构Mechanical and hydro-mechanical flight control systems both have limited ability to __________ changing aerodynamic conditions.
A. interact with
B. compensate for
C. deal with
D. bring up
词汇与结构By using electrical control circuits combined with computers, designers can save weight, improve reliability, and use the computers to _________ the undesirable characteristics.
A. reinforce
B. regulate
C. mitigate
D. aggravate
词汇与结构Fly-by-wire control systems are carefully developed and validated in order to produce _________ operational effect without comprising safety.
A. maximum
B. multiple
C. minimum
D. modulated