开放系统 Traditional 開放系統 kāi fàng xì tǒng 🔊 open system + Review this word Meanings kāi fàng xì tǒng 開放系統 open system Its characters 开kāito open; to turn on; to driveHSK 1放fàngto putHSK 3系xìto connectHSK 5统tǒngto gather