The literature of operations research and industrial engineering sometimes addresses cases of extreme complexity and difficulty.

In other words, operations research might be called quantitative common sense.

换言之, 作业研究可以称为计量的常识.

This paper comprehensively studies the oilfield-class programmed decision by means of system engineering and operations research.

首次在国内用系统工程和运筹学方法研究了油田一级的综合规划决策.

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.

Group Decision making, multiobject optimization, and global optimization are important research areas in operations research.

群体决策, 多目标最优化和全局最优化是运筹学的重要研究领域.

This law becomes operative immediately.

本法规即时生效。

I was in love with her─‘was ’ being the operative word.

在I was in love with her这句话中，was是关键词。

The new system offers fast solutions. Fast being the operative word.

这一新体系能够提供快速起效的解决方案。“快速”是关键词。

When I say " come quickly ", the operative word is " quickly ".

我说 “ 快来 ”, 关键的字是 “ 快 ”.

The image features were analyzed according to Nauta and were compared with operative and pathological findings.

分析所有的CT和 MRI资料,结合手术和病理结果,采用Nauta分型进行分析.

an intelligence operative

情报人员

skilled/unskilled operatives

技术 / 非技术工人

Objective: To investigate the clinical features and post operative management in aged patients with acute cholecystitis.

摘要目的: 探讨老年人急性胆囊炎的临床特点和手术问题.

a factory operative

工厂工人

Only one runway is operative.

只有一条跑道可以使用。

As long as the operative word is 'greed', you can't count on people keeping the costs down...

只要“贪婪”仍是一切的出发点，就别指望人们会降低成本。

the company's overseas operatives

这家公司的海外工人

The station will be fully operative again in January.

该站将于一月份全部恢复运营。

A small dram of whisky may be prescribed by doctors for those over 60 to help them sleep. It is vital though to emphasize that 'small' is the operative word.

医生可以建议60岁以上的老人少量地喝点威士忌以改善睡眠，然而至关重要的是必须强调“少量”这个关键词。

The commercial telephone service was no longer operative...

商业电话服务已不再运营。

operative treatment

手术治疗