信赖 发表于 2025-3-21 18:32:19
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978-1-84996-575-0Springer-Verlag London 2006Simulate 发表于 2025-3-22 01:15:23
http://reply.papertrans.cn/43/4242/424146/424146_3.png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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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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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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