例句 /

A cable TV system has 100 commercial channels, all of them alternating programs with advertising. Is this more like TDM or like FDM?

A cable TV system has 100 commercial channels, all of them alternating programs with advertising. Is this more like TDM or like FDM?

100个频道是频分复用;每个频道又由节目和广告来时分复用。