A.1.3倍,0.3s B.1.3倍,0.5s C.1.5倍,0.3s D.1.5倍,0.5s
A.1.05 B.1.06 C.1.07 D.1.08
A.47.5〜50.5Hz B.48.0-50.5 C.48.5〜50.5Hz D.48.5〜51.0Hz