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jan 4, 245 BC - 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 Mar 2024
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140

Date:

jan 4, 245 BC
Now
~ 2271 years ago
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