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blog.wolfram.com
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What’s in the Logo? That Which We Call a Rhombic Hexecontahedron

十二 30

五重四面体,网上有教程的~
有手有字典,有脑有纸张:Five Intersecting Tetrahedra
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update2013.4.1~
@qiusir:早上牛天昊童鞋送来大个“五重四面体”的手工,算作愚人节礼物吧~
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29

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GSP5文件下载:GSP-平抛运动规律构图 (1871)