运筹学 yùnchóuxué operations research Definitions Defs Origin Strokes Stroke Words Sentences Sents 运筹 運籌 yùnchóu to plan to plan; to map out a strategy; to manage operations or logistics学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science