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| Subject | English | Thesaurus |
| abbr., bank. | Delivery of Improved Local Services | DILS (из материалов Всемирного банка Beforeyouaccuseme) |
| IT, abbr. | GSM Network for Improved access to Universal Services | GNIUs (GSM, Europa) |
| mil., abbr. | Howitzer Improved Program | HIP |
| abbr., scottish | Improved Accuracy Program | IAP (USA) |
| mil., abbr. | Improved Cobra Armaments Program | ICAP |
| abbr., scottish | Improved HF Radio programme | IHFR (USA) |
| meteorol., abbr. | Improved Weather Reconnaissance System Program Council | IWRPC |