Pre-Illinoian
The Pre-Illinoian Stage is used by Quaternary geologists for the early and middle Pleistocene glacial and interglacial periods of geologic time in North America from ~2.5–0.5 Ma (million years ago), a period of ~2 million years.
| 单词 | Aftonian |
| 释义 |
Aftonian
英汉-汉英词典
阿夫顿间冰期
词组 | 习惯用语
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Aftonian n. 阿夫顿间冰期 网络短语:Aftonian interglacial 阿夫顿间冰期 aftonian interglacial stage 阿夫顿间冰期
英语百科
Pre-IllinoianThe Pre-Illinoian Stage is used by Quaternary geologists for the early and middle Pleistocene glacial and interglacial periods of geologic time in North America from ~2.5–0.5 Ma (million years ago), a period of ~2 million years. |
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