高度 こうど通信 つうしんシステム相互 そうご接続 せつぞくであれば
kōdotsūshinshisutemu sō gosetsuzokudeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 高度通信システム相互接続

1. If it were a highly advanced communication system interconnection.; If it is a highly advanced communication system interconnection.

Ba Conditional
Computing