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单词 Asselian
释义

Asselian

英汉-汉英词典
阿舍尔阶
词组 | 习惯用语
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  • assailant n. 攻击者
  • vaseline n. 凡士林,矿脂
  • baseline n. 基线;[体]底线
  • aslant adv. 倾斜地,歪着 prep. 倾斜地横在…上

网络短语:
Asselian 尔期; 阿舍利阶;
Asselian Stage 阿瑟尔阶
Asselian Age 阿瑟尔期
英语百科

Asselian

In the geologic timescale, the Asselian is the earliest geochronologic age or lowermost chronostratigraphic stage of the Permian. It is a subdivision of the Cisuralian epoch or series. The Asselian lasted between 298.9 ± 0.15 and 295.0 ± 0.18 million years ago (Ma). It was preceded by the Gzhelian (the latest or uppermost subdivision in the Carboniferous) and followed by the Sakmarian.

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