運籌學 Save Sign in to save words Simplified: 运筹学 yùnchóuxué ㄩㄣˋ ㄔㄡˊ ㄒㄩㄝˊ operations research (OR) Character by character 運(yùn)move 籌(chóu)chip 學(xué)learn A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0