单项选择题
A.2.35:1
B.4:3
C.1.33:1
D.1.78:1
单项选择题 Whichofthefollowingwouldbetheimpedanceofan8ohmanda4ohmspeakerthatarewiredinparallel?()
单项选择题 Whichofthefollowingcancauseghostinginavideoimage?()
单项选择题 Whenintegratingamediaserverintoahometheater,whichofthefollowingtermsBESTdescribesthetechnologyusedtoprotecttheinterestofcopyrightholders(e.g.multimediacontent)?()