duplex working meaning in Hindi

• डुप्लेक्स कार्य-प्रणाली • द्विक पद्‍धति • ् वि क प्रणाली

duplex: दुमंजिला घर
working: प्रचालन

This, of course, ignores such modern inventions as the Teletype, carrier circuits, duplex working, etc . talk ) 20 : 08, 18 December 2008 ( UTC)