周波 しゅうは すう分割 ぶんかつ多元 たげん接続 せつぞくじゃなかった
shūhasūbunkatsutagensetsuzokujanakatta

Noun
Da Copula

The past negative form of 周波数分割多元接続

1. Was not frequency-division multiple access.

Past/Perfective
Negative
Telecommunications