New research suggests that humans used complex geometry more than a thousand years earlier than previously thought.
新研究表明人类很早就会使用复杂几何,其时间比之前料想的要早一年多年。
单词 | complex geometry |
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BBC 听力 2016年2月合集 New research suggests that humans used complex geometry more than a thousand years earlier than previously thought. 新研究表明人类很早就会使用复杂几何,其时间比之前料想的要早一年多年。 |
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