在大学里，他学的是物理，他认为物理可以提供他设计义肢的基础。

He studied physics at university, on the basis that it would provide a good foundation for designing prostheses.

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研究设计：以人群为基础的流行病学研究。

Study Design. A population based, epidemiological study.

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行喉部手术时，这些定位投影线和投影点可以作为设计手术径路提供形态学基础。

When the laryngeal operation, these projective marking lines and spots are the morphological basis for designing the technique of laryngeal operation.

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