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单选题
622.当FMGEC1故障时,ADF1和ADF2的自动调谐方式为: When FMGEC1 failure, the automatic tuning method for ADF1 and ADF2:
A
不能进行自动调谐 Can't perform automatic tuning
B
ADF1由FMGEC2直接调谐,ADF2由FMGEC2经RMP2完成调谐 ADF1 tuning by FMGEC2, ADF2 from FMGEC2 by RMP2 tuning
C
ADF1和ADF2只能用备用调谐方式 ADF1 and ADF2 can only use backup tuning method
答案解析
正确答案：B
解析：
当FMGEC1故障时,ADF1和ADF2的自动调谐方式为:
答案:B
解析：当FMGEC1故障时，ADF1由FMGEC2直接调谐，ADF2由FMGEC2经RMP2完成调谐。这是因为FMGEC1的故障需要备用系统来接管ADF的自动调谐功能，而备用系统是FMGEC2和RMP2。
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