- OPRAD
- OPRAD, operations research and developmentоперативные НИОКР
English-Russian dictionary of planing, cross-planing and slotting machines. общая редакция - Полюхин В.М.. 2015.
OPRAD
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WSR-74 — RADARs are Weather Surveillance Radars designed in 1974. The National Weather Service added them to the existing network of the WSR 57 model to improve forecasts and severe weather warnings. Radar properties There are two types in the WSR 74… … Wikipedia
