题目内容

词汇与结构The words “Fly-by-Wire” (FBW) imply _____ only control system.

A. an automatically-signaled
B. a message-signaled
C. a digital-signaled
D. an electrically-signaled

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词汇与结构By using _______ control circuits combined with computers, designers can save weight and improve reliability.

A. electronic
B. electrical
C. hydraulic
D. automatic

词汇与结构A fly-by-wire system actually replaces manual control of the aircraft with an _______ interface.

A. electronic
B. mechanical
C. hydro-mechanical
D. electrical

词汇与结构More independent FBW channels reduce the possibility of overall failure to _______ levels.

A. minimum
B. certain
C. low
D. minuscule

友情链接方面，PR的选择应该优先选择的链接为

A. PR高，相关性低
B. PR低，相关性高
C. RP高，相关性高