Definition |
Category |
| Advanced Indirect Fire System | Military |
| American Institute for Foreign Study | Institutes |
| Arbitration inter frame spacing | Unclassified |
| American Institute of Foreign Study | Institutes |
| Australian Institute of Family Studies | Australian |
| Asean Integrated Food Security | Food & Nutrition |
| Appomattox Insurance and Financial Services | Insurance |
| Associazione Italiana Football Sala | Football |
| Australian Integrated Forecast System | Australian |
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