Last Updated:2025/11/26

The geologist collected several kieselguhrs from the lakebed to analyze their microscopic structure.

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The geologist collected several kieselguhrs from the lakebed to analyze their microscopic structure.

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地質学者は湖底からいくつかの珪藻土の試料を採取して、その微細構造を分析した。

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