| 单词 | perkins, dexter |
| 释义 | Perkins, DexterPerkins, Dexter(1952– ) geologist; born in Boston, Mass. A University of Michigan Ph.D., he joined the geology faculty of the University of North Dakota (1981). His research focused on high grade rocks in the pre-Cambrian shield, the thermodynamics of minerals and mineral systems, and the evolution of the earth's crust. |
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