A.16×16 B.64×64 C.128×128 D.512×512
A.高2200mm×宽600mm×深600mm B.高2260mm×宽800mm×深600mm C.高2260mm×宽800mm×深800mm D.高2200mm×宽800mm×深600mm
A.3天 B.5天 C.10天 D.15天
A.75Ω B.100Ω C.120Ω D.600Ω
A.50ms B.100ms C.500ms D.1s
A.18 B.19 C.20 D.21
A.业务规模 B.电路规模 C.用户规模 D.资源规模
A.10min B.15min C.30min D.1h E.8h F.24h
A.HDB3 B.RZ C.NRZ D.AMI
A.应急切换 B.代答 C.呼叫转移 D.故障切换
