单选题
哪一个模式允许飞行员在RTU内储存和显示一个新的频率而不用激活这频率Which mode allows the pilot to store and display a new frequency within the RTU without activating the frequency?
A
预设Preset
B
现用Active
C
召回Recall
D
SQUELCH ON
答案解析
正确答案:A
题目纠错
飞机试题CRJ900题库练习
