在《PONS词典》中的词汇
operations research 名词
operations research → operational reasearch
operational research 名词, operations research
无例句可用
请尝试其他词条。
浏览词典
- open university
- opera
- operable
- opera glasses
- operate
- operations research
- operative
- operator
- operetta
- opinion
- opinionated
