n. <美>作业研究, 运筹学

operations research的用法和样例：

例句

用作名词(n.)

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。

听一分钟英文：Operations-手术

Operations are amazing things unless, that is, youre having one. I always think it is incredible how doctors can cut people open and repair their body. It must take great skill. I cant believe some operations can take over 12 hours. Ive had a few ope

发表于:2018-12-04 / 阅读(48) / 评论(0)

听一分钟英文-O

VOA标准英语2012--US Military Plans Operations in Africa

US Military Plans Operations in Africa Onboard a U.S. military transport plane ready for takeoff from the airport at Ouagadougou, capital of Burkina Faso are U.S.-trained Burkinabe troops on a training mission to Mali. The airport is the hub of what

发表于:2018-12-08 / 阅读(38) / 评论(0)

VOA标准英语2012年(六月)

2006年VOA标准英语-Relief Operations Swing into Gear in Quake-Stri

By Chad Bouchard Yogyakarta 30 May 2006 Volunteers unload emergency aid from the United States near Bantul, Indonesia, Tuesday, May 30, 2006 Officials in Indonesia say more than 5,400 people have now died from Saturday's earthquake and the rush is o

发表于:2018-12-16 / 阅读(105) / 评论(0)

2006年VOA标准英语（五月）

VOA慢速英语2014 How Do Islamic State Militants Finance Their Operations?

How Do Islamic State Militants Finance Their Operations? From VOA Learning English, this is In The News. This week, the United States Congress approved part of President Barack Obamas plan to defeat Islamic State militants. The Senate voted Thursday

发表于:2019-01-12 / 阅读(50) / 评论(0)

2014年VOA慢速英语(九)月

纯正英语一分钟-Operations

发表于:2019-01-21 / 阅读(52) / 评论(0)

纯正英语一分钟

ESL Podcast 216 – Outsourcing Operations

Bonnie: I wanted us to meet today to talk about ways to reduce our overhead. One suggestion is for us to outsource some of our operations. Id like to hear what you think are the pros and cons of doing that. Jean-Luc: I think that, in principle , its

发表于:2019-02-03 / 阅读(38) / 评论(0)

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Acanthophacetus reticulatus

advantages of leasing