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4 janv. 245 av. J.-C. - 前230年,希腊的厄拉多塞在埃及的亚历山大测定出地球的大小

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人物：厄拉多塞
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Ht

Bylee66
29 mars 2024
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Date:

4 janv. 245 av. J.-C.
Maintenaint
~ Il y a 2271 ans
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