The study says there must be a complete overhaul of air traffic control systems.

研究称必须对航空交通管理系统进行彻底的改革。

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Terrorists or agents of hostile powers could mount attacks on companies and systems that control vital parts of an economy, including power stations, electrical grids, and communications networks.

恐怖分子或敌对势力的特工可以对企业和系统发动袭击，这些企业和系统控制着一个经济体的重要部分，包括发电站、电网和通信网络。

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Jobs had a reputation as a control freak, and his critics complained that the products and systems he designed were closed and inflexible, in the name of greater ease of use.

乔布斯以控制狂著称，批评他的人埋怨他设计的产品和系统打着提高用户体验的旗号，却封闭而缺乏灵活性。

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As part of the plan, the Army Corps of Engineers built roads, canals and water-control systems throughout South Florida.

VOA: special.2010.09.21

Control systems, pretty much is, think of an automotive automobile.

控制系统，很大程度上就像你能想到的汽车的自动系统。

在学校的经验 - SpeakingMax英语口语达人

Different laws cover the tapping of phones and the placing of other forms of listening devices with different systems of control and authorisation.

ECONOMIST: Anxiety about wiretapping

Systems of rational control are permeating the networks that define our everyday consumption of technology, whether by smart phones or smart cars.

FORBES: Why Big Data Is Getting The Bully Treatment

In the distant (and even the not-so-distant) historical past, these systems of motivation and control were largely in sync.

WSJ: What's Wrong With the Teenage Mind?