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AAASAmerican Association for the Advancement of Science
AAASAmerican Academy of Arts and Sciences
AAASAfrican and African-American Studies
AAASAssociation for Asian American Studies
AAASAnnales Archéologiques Arabes Syriennes (French: Syrian Arab Archaeological Journal)
AAASAssociate in Applied Arts and Sciences
AAASAmphibious Aviation Assault Ship
AAASAmerican Association of Asian Studies
AAASAdvanced Aircraft Armament System
AAASArmored Antiaircraft System
AAASAuthentication, Authorization, and Accounting Server
AAASAustralian Accounting and Auditing Standards