He previously taught at the School of Advanced Air and Space Studies, the University of Pittsburgh, and Chatham College.

曾在高级空天研究学院，匹兹堡大学和查塔姆大学任教。

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He previously taught at the School of Advanced Air and Space Studies, the University of Pittsburgh, and Chatham College.

曾在高级空天研究学院，匹兹堡大学和查塔姆大学任教。

youdao