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发表于 2025-3-21 18:32:19
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Ballerina
发表于 2025-3-21 21:16:20
978-1-84996-575-0Springer-Verlag London 2006
Simulate
发表于 2025-3-22 01:15:23
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上下倒置
发表于 2025-3-22 06:46:57
Ben M. Chen,Kemao Peng,Venkatakrishnan VenkataramaShows the industrial electronic engineer how to make certain of essential accuracy, reliability and speed in the control of the mechanical parts of a component ubiquitous in computers.Shows the academ
多节
发表于 2025-3-22 12:38:39
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忍受
发表于 2025-3-22 16:56:40
n clothing have an abundance of structural characteristics, going from abstract graphs over geometric entertainments with elementary figures to repetitive fractal structures. Some of these examples are debatable, such as the alleged golden section proportion in African art or the fractal properties found in nature, and that is emphasized as well.
Eeg332
发表于 2025-3-22 17:06:10
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凝视
发表于 2025-3-22 21:58:29
say “five-twelve” instead of “seven-teen” because they use the base 12 and not 10 and they count this base with the thumb on the 12 phalanxes of the four remaining fingers of the same hand. Thus, the sums 48 = 4 × 12 and 60 = 5 × 12 seen on one of the Ishango rods could have been a result of such a counting system ‘by dozens’.
Interstellar
发表于 2025-3-23 05:14:49
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embolus
发表于 2025-3-23 09:31:07
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