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In geology and related fields, a stratum (plural: strata) is a layer of rock or soil with internally consistent characteristics that distinguishes it from contiguous layers. Each layer is generally one of a number of parallel layers that lie one upon another, laid down by natural forces. They may extend over hundreds of thousands of square kilometers of the Earth's surface. ...
출처: en.wikipedia.org/wiki/Supergroup_(geology)
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An assemblage of related rock groups (which comprise a number of rock formations), having significant lithological features in common
출처: www.ga.gov.au/education/teachers/glossary.jsp
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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