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http://www.sepmstrata.org(面向业余爱好者、学生或专业人士的开放性网站) Welcome to STRATA, SEPM’s stratigraphy web site. Th ..
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GeoSalaries Rise Almost 8 Percent 地质工资上涨8% (AAPG Mike Ayling 调查报告 2010年) The annual salary survey is based ..
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