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| Subject | English | Thesaurus |
| abbr., comp. | Error Correction Program | ECP (Vosoni) |
| el., abbr. | Mask Error Enhancement Factor | MEEF |
| progr., abbr. | Mask Error Factor | MEF |
| abbr., stat. | standard error, SE | s.e. (стандартная ошибка kat_j) |
| mil., abbr. | Work Order Release Cost Error Listing Program | WOER |