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556.通过修正速度的影响,如马赫配平和速度稳定性,自动保持安全飞行姿态的系统部分, 包括传感、计算、驱动、指示和警告装置,如计算机、伺服系统、执行器、警告灯等。

A
 That portion of the system that automatically maintains a safty flight altitude by correcting for effects of speed, such as mach trim and speed balance. This includes sensing, computing, actuating, indicating, and warning devices such as computers, servos, actuators, warning lights, etc.
B
 That portion of the system that automatically maintains a safe flight attitude by correcting for effects of speed, such as mach trim and speed stability. This includes sensing, computing, actuating, indicating, and warning devices such as computers, servos, actuators, warning lights, etc.
C
 That portion of the system that automatically maintains a safe flight attitude by correcting for effects of airspeed, such as mach trim and speed stability. This includes sensor, computer, actuator, indicate, and caution devices such as computers, servos, actuators, warning lights, etc.

答案解析

正确答案:B
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