"I realized that a lot of the civilizations we were talking about sat right along major tectonic plate boundaries," says Force, who is now affiliated with the University of Arizona, Tucson.

“我认识到现在谈论的很多文明正好位于主要地质板块的边界附近。”现在图森亚利桑那大学的佛思说。

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"Life on Earth has radiated into every conceivable - and in some cases almost inconceivable - ecological niche," says Chris Impey of the University of Arizona in Tucson, US.

“地球上的生命已经涉足所有可想象的——某些情况下几乎不可想象的——生态环境。”美国图森市亚利桑那州大学的Chris Impey说。

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The University of Arizona, Tucson, which operates HiRISE, has just released a new batch of these photos taken in the last several months.

土桑市亚利桑那大学近日发布了过去几个月运用HiRISE所拍摄的一批最新火星表面照片。

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Tuition is about the same at another public university, the University of Arizona in Tucson.

VOA: special.2009.02.19

The Spitzer team, led by Kate Su of the University of Arizona, Tucson, says the giant cloud of fine dust around the disk is very unusual.

MSN: Wild solar system spotted around distant star?

Dr. Raymond Woosley is vice president of health sciences and a professor of pharmacology at the University of Arizona, Tucson.

FORBES: Pharmaceuticals

The team led by paediatric expert Esmeralda Morales from the University of Arizona in Tucson followed 486 children from birth.

BBC: NEWS | Health | Cats 'raise risk of child eczema'