通信設(shè)備檢修知識(shí)考試單項(xiàng)選擇題每日一練(2019.01.22)

A.25%RTS
B.40%RTS
C.60%RTS
D.95％RTS

A.16
B.32
C.48
D.64

A.1300nm
B.1310nm
C.1550nm
D.1625nm

A.220V±5%
B.220V±10%
C.220V±15%
D.220V±20%

A.15
B.30
C.45
D.60