Last Updated：2025/11/25
Sentence
そのコア標本に見られるサマリウム含有の鉱物群は、希土類元素の局所的な濃集を示していた。
Quizzes for review
The samarian mineral assemblage in the core sample pointed to localized enrichment of rare-earth elements.
See correct answer
The samarian mineral assemblage in the core sample pointed to localized enrichment of rare-earth elements.
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