Improvements in a firm's information technology hardware and software are a proven way to increase the efficiency of employees who do the majority of their work on computers.

改进公司的信息技术硬件和软件已被证明是提高在电脑上工作的员工效率的有效方法。

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He has a proven track record in marketing.

他有可靠的销售业绩记录。

《牛津词典》

It is a proven fact that fluoride strengthens growing teeth.

氟化物可以强化生长中的牙齿，这是已证明的事实。

《牛津词典》

Deputy Attorney General David Ogden says this is a proven strategy for dismantling criminal organizations.

VOA: standard.2009.03.24

And in general, when people devote a lot of energy or money or expense to something, they are extraordinarily resistant to having it proven wrong.

一般来说，当人们投入的精力，金钱或成本越多时，他们就越不会相信自己是错的。

耶鲁公开课 - 心理学导论课程节选

So the brothers, having proven their new integrity Joseph weeps, he reveals his identity in a very moving scene, and ultimately the family is relocated to, and reunited in Egypt, where they live peacefully and prosperously for some generations.

这些兄弟们证明了他们新的正直,约瑟夫轻泣，他在非常动人的一幕中表明身份，最终，全家人都迁移并重聚在埃及，他们几代人都在那里平安繁盛地生活。

耶鲁公开课 - 旧约导论课程节选

Like his predecessor as Texas Governor, Perry may be underestimated, but is a proven winner.

FORBES: Perry Not Letting Anyone Run to His Right

Nuclear power is a proven technology that that was stopped by government over regulation and environmentalists.

FORBES: Mega U.S. Solar Project Threatened by Unlikely Foe

Because this feature is a proven energy-saver, customers qualify for a number of conservation rebates.

CNN: Nest's plan to stop brownouts before they start