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PAIs abbr.
abbr.	Preapproval Inspections (kreecher)
PAIS abbr.
abbr.	Pacific Air Intelligence System; Personnel Authentication Identification System; Prototype Advanced Indicator System
abbr., earth.sc.	Padre Island National Seashore
abbr., el.	path alarm indication signal; purse application interface specification
abbr., file.ext.	Public-Access Internet Site (Internet)
abbr., IT	Physicians Appointment Information System; Prestigious Applications Of Intelligent Systems
abbr., med.	Partial Androgen Insensitivity Syndrome; Pravastatin In Acute Ischemic Syndromes (study); Public Affairs Information Service
abbr., mil., avia.	prototype advanced indicators system
abbr., mil., WMD	Program and Integration Support
mil.	prototype advanced indicators system