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研究的岩石有济南辉长岩、点苍山大理岩、周口店石灰岩和小浪底砂岩。
The samples were made of Jinan gabbro, Dianchangshan marble, Zhoukoudian limestone and Xiaolangdi sandstone.
youdao
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研究的岩石有济南辉长岩、点苍山大理岩、周口店石灰岩和小浪底砂岩。
The samples were made of Jinan gabbro, Dianchangshan marble, Zhoukoudian limestone and Xiaolangdi sandstone.
youdao