單項(xiàng)選擇題
A.12m B.14m C.16m D.18m
A.間隙 B.過渡 C.過盈 D.間隙或過渡
A.15min B.25min C.35min D.45min
A.20mm B.30mm C.40mm D.50mm
A.8s B.38s C.60s D.90s
A.脈沖 B.數(shù)字 C.模擬 D.直流
A.80km/h B.100km/h C.120km/h D.150km/h
A.A/D芯片 B.DSP芯片 C.光電開關(guān) D.D/A芯片
A.MD芯片 B.DSP芯片 C.光電開關(guān) D.D/A芯片