International Union of Geological Sciences

The International Union of Geological Sciences (IUGS) is an international non-governmental organization devoted to international cooperation in the field of geology.
单词 | International Geological Congress |
释义 |
International Geological Congress
英语百科
International Union of Geological Sciences![]() The International Union of Geological Sciences (IUGS) is an international non-governmental organization devoted to international cooperation in the field of geology. |
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