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单词 senonian
释义

Senonian


Se`no´ni`an


a.1.(Geol.) In european geology, a name given to the middle division of the Upper Cretaceous formation.

Senonian


Senonian

[sə′nō·nē·ən] (geology) A European stage of geologic time, forming the Upper Cretaceous, above the Turonian and below the Danian.
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