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| operational researches | |||
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| operational research (исследование, опирающееся на операционный подход teterevaann) | |||
| operational research | |||
| operations research | |||
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операционные исследования : 4 phrases in 4 subjects |
| General | 1 |
| Operation systems | 1 |
| Programming | 1 |
| Surgery | 1 |