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operational research
comp.	recherche d'opérations
forestr.	recherche opérationelle
IT	recherche opérationnelle RO
med.	recherche opérationnelle
operational research Application of scientific methods to the analysis of problems so as to provide optimum solutions for decision making
polit.	recherche opérationnelle (Application de méthodes scientifiques à l'analyse de problèmes de manière à fournir les solutions optimales en vue des décisions à prendre)
operational research br.
math.	recherche opérationnelle
Operational research
pharma.	Recherche opérationnelle
English thesaurus
operational research
USA	The analytical study of military problems undertaken to provide responsible commanders and staff agencies with a scientific basis for decision on action to improve military operations (JP 3-31)

Operational Research: 6 phrases in 4 subjects

Aviation	2
General	1
Natural sciences	1
Social science	2