英语词汇“operation research”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	operation research
释义	operation research 筹学
随便看	bill of costs bill of credit bill of debt bill of discovery bill of dishonor bill of dishonour bill of divorce bill of divorecement bill of document bill of draft bill of entry bill of estimate Bill Of Exception bill of exceptions bill of exchange bill of exchange in a set bill of exchange in blank bill of Exchequer bill of export bill of fare bill of foreclosure bill of freight bill of goods bill of goods adventure bill of health 打铁掉地下，白搭一火打铁烤煳了裤裆，没看火色打铁的拆炉，散火打铁看火候打铁看火候，做事看时机打铁看火候，说话看眼色打铁要自己把钳，种地要自己下田打铁要趁热打铁要趁热，治病要趁早打错了算盘潮动潮头潮差潮干潮干儿潮标潮气潮水潮汐潮汛