英语词汇operational research怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	operational research
释义	operational researchn. (also 亦作 operations research) the application of scientific principles to business management, providing a quantitative basis for complex decisions 运筹学
随便看	-ior -ior I (or I'll) warrant iota IOU -iour -ious IOW IPA ipecac ipecacuanha IPMS ipomoea ips ipse dixit ipsilateral ipsissima verba ipso facto IQ -ique IR Ir ir- IRA Iran

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