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[题目后面括弧内xx‘(年)·x(期)·xx(页码)〕 ·中国地质教育协会第二届理事会暨学术讨论会专栏·在中国地质教育协会第二届理事会暨学术讨论会上的讲话···················································……周远清(9
[Title behind the brackets xx ’(year) · x (period) · xx (page number)] · China Geological Education Association of the second council and colloquia · In the second session of the China Geological Education Council and academic discussion Speeches at the conference ······················································ Zhou Yuanqing (9