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主题:【原创】明清火器的迷思 -- 恶魔之读书者

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家园 玛雅历用了3个不同的历法,公元前6世纪就 通行中美洲

能与现行公历相互换算。现在还在用。人家可觉得比罗马系统还强。

作者说 Their number system is considered to be

better than the Aztec system and even the Roman system。

我把原句拿出啦, 你别就提取一部分,而且完全意思相反的一部分,。

人家只是没有考古发现而已,

Although there is still not enough evidence

to conclude that the Maya used their notation to multiply and divide numbers, their number

system was capable of being used to perform these operations.

文章的结论。

The

Mayas used their mathematical knowledge for their astronomical observations as well. They

used their modified vigesimal system to calculate the passage of time and come up with the

most sophisticated calendar

玛雅历法是公元前6世纪就通行了, 那时候我们还在用周历。

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