A.Ⅰ、Ⅴ
B.Ⅰ、Ⅱ、Ⅳ、Ⅴ
C.Ⅱ、Ⅳ
D.Ⅰ、Ⅲ、Ⅴ
[单选题]A.W=7693N,V=0.108m/sB.W=6693N,V=0.108m/sC.W=7693N,V=0.008m/sD.W=5693N,V=0.4
[单选题]A.42.5°B.45°C.50°D.52.5°E.55°
[单选题]A.42.5°B.45°C.50°D.52.5°E.55°
[单选题]A.1753B.5950C.6134D.7988
[单选题]A.1B.cpC.脉冲信号,频率为时钟脉冲频率的1/2D.0
[单选题]A.F=ABC+ABB.C.D.