无线电系统的调谐可以在左、右RMU上进行，还可以通过_______进行调谐。 ["ACP","FMS","CDH","GP300面板"]
CDH给_______发射机和_______接收机提供一个备用或应急的调谐功能。 ["VHF COM1，VHF NAV1","VHF COM1，VHF NAV2","VHF COM2，VHF NAV1","VHF COM2，VHF NAV2"]
无线电系统的调谐可通过什么部件完成？ ["RMU","ACP","ICU","INU"]
VHF收发机集成在哪个部件内？ ["IAC","INU","ICU","AHRS"]
机长通过HFCOM电台正在与地面通话，副驾驶反映VHFCOM2收不到信号，可能是（） ["VHF COM2有故障","这是正常现象","HF COM有故障","不确定"]
世界上最小的一本《古兰经》的大小是多少？
