Dr. John C. Hagan, III, a ophthalmologist in private practice in Kansas City, Mo. explains what he looks for when he examines his patients - and what you can look for on your own.

密苏里州堪萨斯市一家私人诊所的眼科专家，约翰C.哈根三世（John C. Hagan, III）博士解释说，他为病人做检查时所查看的症状——你也可以在自己的眼睛中查看。

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John McCurdy pilots Alexander Graham Bell's experimental tetrahedral kite, the Cygnet III, which left the ground via powered flight in March 1912.

1912年3月，约翰·麦柯迪试驾亚历山大·格雷厄姆·贝尔的实验性四面体风筝，通过动力飞离地面的“小天鹅3号”。

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She was born Jacqueline Lee Bouvier, daughter of John Vernon Bouvier III and his wife, Janet Lee.

她的闺名是杰奎琳李鲍威尔，约翰弗农鲍威尔三世和他的妻子，珍妮特李的女儿。

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Banzhaf III John F.

FORBES: Souring On Sweeteners

Hagel III, John Seely Brown and Lang Davison in the Power of Pull.

FORBES: Personal Connections Are The New Currency

John Hagel III is co-chairman and John Seely Brown is independent co-chairman of the Deloitte Center for the Edge.

FORBES