そう方向 ほうこうCATV しいえうてぃうぶいなら
sō hōkō shiieutiubuinara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 双方向CATV

1. If/when bidirectional CATV; If there is bidirectional CATV

Nara Conditional
Computing