In 1980 he received his doctorate in aeronautics from the University of Pisa in Italy.
In 1980 he received his doctorate in aeronautics from the University of Pisa in Italy.
他在1980年由义大利比萨大学得到航太博士学位。
In 1980 he received his doctorate in aeronautics from the University of Pisa in Italy.
他在1980年由义大利比萨大学得到航太博士学位。