| 1983. | 7. | Graduated from the Department of Civil Engineering, Hohai University. |
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| 1983. | 7. | Graduated from Department of Civil Engineering, Hohai University (Nanjing, China). |
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| 1986. | 6. | Graduated from Master Course for Geotechnical Engineering, Graduate School of Engineering, Hohai University. |
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| 1986. | 6. | Master Course for Geotechnical Engineering, Graduate school of Engineering, Hohai University. |
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| 1996. | 3. | Doctoral Course for Civil Engineering, Graduate School of Enjineering, The University of Tokushima. |
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| 1997. | 3. | Graduate School of Engineering, The University of Tokushima. |
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