单项选择题
A.0.95 B.0.9 C.0.85 D.0.8
A.±5/100000 B.±4/100000 C.±3/100000 D.±2/100000
A.100KHZ B.10KHZ C.1KHZ D.0.5MHZ
A.190KHZ-700KHZ B.960MHZ-1215MHZ C.1025MHZ-1150MHZ D.108-118MHZ
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