Anterior prosthesis color were automatically designed in terms of artificial neural network and three stimulative value ( RVG) relative methods.

METHODS: Compare RVG with conventional E-speed film for diagnosis the same tooth with oral diseases.

方法：对同一患牙用两法进行诊断比较。

Methods To compare RVG image with conventional periapical radiography ( CPR).

方法对RVG和传统根尖周片（CPR）进行比较，由四名医师进行评判。

Analysis on the causes of failing to take RVG images by dental nurses

牙科护士投照数字化牙片系统图像失败原因分析和放射防护

Conclusion The distort rate of RVG image should be considered in clinical application.

结论本研究获得了有关RVG数字成像系统根尖片失真率的信息，为临床应用提供参考依据。

Jeff Bezos for his ability to innovate.

杰夫•贝佐斯，因为他的创新能力。

Jeff Bezos never stops innovating.

Jeff Bezos从来都不停止创新。

Jeff Bezos is one of those few CEOs who almost eclipses his own company.

杰夫•贝佐斯是那种几乎让自己的公司都黯然失色的CEO。

CEO Jeff Bezos has sextupled both R& D and advertising over the past five years.

亚马逊CEO杰夫•贝佐斯在过去的5年中将研发和广告费用增加了5倍。

If you had been planning the future of Retailing in the 1990s would you have asked Jeff Bezos?

如果你在上世纪90年代筹划零售业的未来，你会请教杰夫贝索斯（jeff bezos）吗？

Q: "Does Jeff Bezos have a glass eye?"

问：“杰夫•贝佐斯是不是安了一只玻璃假眼？”

Maybe Jeff Bezos should be giving them away.

或许杰夫•贝佐斯应当免费向用户赠送Kindle。

Jeff Bezos is the present CEO of Amazon.

杰夫-贝佐斯是亚马逊的现任CEO。

Did you hear that Jeff Bezos has agreed to purchase the Washington Post for$ 250 million?

听说了吗，杰夫•贝佐斯已经同意以2.5亿美元收购《华盛顿邮报》（The Washington Post）？

Jeff Bezos is worth close to$ 140 billion.

杰夫·贝索斯的身家近1400亿美元。

And of course the people that work with Jeff Bezos are supporting that vision.

当然，杰夫•贝佐斯的同事也支持公司的愿景。

I have to admit Amazon under Jeff Bezos is formidable.

我必须承认亚马逊根据杰夫贝佐斯是非常艰巨的。

Consider the online bookstore that Jeff Bezos started in 1994, Amazon ( AMZN).

比如，杰夫•贝佐斯在1994年创建的在线书店亚马逊（Amazon）。

Q: "What is Jeff Bezos thinking?"

问：“杰夫•贝佐斯正在思考什么事情？”

Marc Benioff and Jeff Bezos would be inspired choices if Microsoft were to buy their companies.

假如微软收购了马克•贝尼奥夫和杰夫•贝佐斯的公司，这两人将是令人振奋的选择。

Charles Stack created the first online book store in 1992, two years before Jeff Bezos began Amazon.

Charles Stack在1992年创建了第一个网上书店，比Jeff Bezos创建的亚马逊早了两年。