In the past this process of transition has often proven difficult.
在过去，这种转变过程常证明是艰难的。
With geological maps, books, and atlases you can find out all the proven sites of precious minerals.
有了地质地图、书籍和地图册，你就可以找到所有已探明的珍贵矿藏的位置。
This philosophy has proven its worth.
这个哲理已经证明了它的价值。
Seven years later, they were proven wrong.
7年后，事实证明他们错了。
There are nonetheless several empirically proven benefits.
尽管如此，还是有一些被经验证明的益处。
The technology has proven to help the most demanding customers.
事实证明，这项技术可以帮助那些最苛刻的客户。
Hope has proven a powerful predictor of outcome in every study we've done so far.
到目前为止，我们所做的每一项研究都证明，“希望”是一项强有力的预测结果的指标。
Tagout procedures are used to make sure that circuits are proven to be de-energized before work is done.
锁定程序用于确保在完成工作之前已证明电路已断电。
Scientists have proven that despite their poorly developed small eyes, these bats still can see during the day.
科学家们已经证明，尽管这些蝙蝠的小眼睛发育不良，但他们在白天仍然看得见。
Congress needs to find the courage to allow Medicare to pay preferentially for treatments proven to be superior.
国会需要鼓起勇气，允许联邦医疗保险优先支付被证明更具优势的治疗方案。
While pinning down a definition has proven tricky, the general consensus is it's some means of information gathering.
虽然事实证明给好奇下定义很难，但大家普遍认为它是一种收集信息的手段。
It's been scientifically proven that three people will be better than one at solving problems, even if that one person is the smartest person in the field.
科学证明，三个人比一个人更擅长解决问题，即使那个人是该领域最聪明的人。
These legislators argue that such a policy would reduce crime dramatically, since it would take people with a proven tendency to commit crimes off the streets permanently.
这些立法者认为，这一政策将大幅减少犯罪率，因为它将使那些已被证明有犯罪倾向的人永远远离街头。
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。
The neuronal imbalance in the brain of the infant caused seizures, prompting surgeons to remove the enlarged hemisphere—a treatment that has proven successful in similar cases.
婴儿大脑的神经元失衡导致癫痫发作，促使外科医生切除了扩大的大脑半球——这种治疗在类似病例中被证明是成功的。
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