開放 かいほう がたシステム かん相互 そうご接続 せつぞく環境 かんきょうだったら
kaihōgata shisutemukansō gosetsuzokukankyōdattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 開放型システム間相互接続環境

1. If it were an open systems interconnection environment.; If it was an open systems interconnection environment.

Tara Conditional
Computing