English ⇄ Arabic Bulgarian Chinese Chinese Taiwan Chinese simplified Czech Danish Dutch English Esperanto Estonian Finnish French German Greek Hebrew Hindi Hungarian Italian Japanese Korean Lithuanian Malay Maltese Norwegian Bokmål Polish Portuguese Romanian Russian Slovak Slovene Spanish Swedish Thai Turkish Ukrainian

Quality Of Service
IT, abbr.	QOS (ATM, CLR, CTD, CDV)
quality of service
telecom.	QOS (ssn)
Quality Of Services
busin., abbr.	QOS

Quality Of Service: 1 phrase in 1 subject

NASA

1