| 释义 |
operational research 英ˌɒpə'reɪʃənəl rɪ'sɜːtʃ美ˌɑːpə'reɪʃənəl rɪ'sɜːrtʃ 短语¹⁰⁶¹⁰⁰⁺⁵
基本例句
n.运筹学
用作名词Operational Research is a newly emerging subject.运筹学是一门新兴的学科。
After the war, an invasion of economists gave operations research new scope and vitality.战后，经济学的介入，给运筹学带来了新的领域和活力。 |