單項(xiàng)選擇題
A.5m B.10m C.15m D.20m
A.±3% B.±5% C.±10% D.±15%
A.40μF B.46μF C.50μF D.55μF
A.18信息移頻 B.UM71 C.ZPW-2000 D.微電子交流計(jì)數(shù)
A.50A B.100A C.200A D.500A
A.500A B.1000A C.1500A D.2000A
A.20m B.26m C.29m D.30m
A.補(bǔ)償式 B.微電子式 C.諧振隔離式 D.數(shù)字信號(hào)式