A.2.5m B.3.5m C.2.8m D.3.0m
A.E協(xié)議 B.HRT協(xié)議 C.TP/IP協(xié)議 D.TP協(xié)議
A.串模干擾 B.共模干擾 C.電源干擾 D.即是串模干擾又是共模干擾