operational research
noun [ U ] business specialized UK uk/ɒp.ərˌeɪ.ʃən.əl rɪˈsɜːtʃ/ us/ɑː.pəˌreɪ.ʃən.əl ˈriː.sɝːtʃ/ (US operations research)
运筹学
work that is done to find the best ways to solve problems in business and industry
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