| 释义 | 
		 operational researchBrE /ˌɒpəreɪʃənl rɪˈsɜːtʃ/NAmE /ˌɑːpəreɪʃənl rɪˈsɜːrtʃ/BrE /ˌɒpəreɪʃənl ˈriːsɜːtʃ/NAmE /ˌɑːpəreɪʃənl ˈriːsɜːrtʃ/ (also ˈoperations research)  noun [U]  (specialist) the study of how businesses are organized, in order to make them more efficient 运筹学 |