渐强
发表于 2025-3-23 13:03:57
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engagement
发表于 2025-3-23 17:02:50
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ANTIC
发表于 2025-3-23 18:58:25
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farewell
发表于 2025-3-24 00:46:21
Introduction,Much of early mathematics, say before 1600 BCE, involved the love of art and music, the sensations of light and sound. Our psychological senses of color and pitch are determined by the frequencies (i.e., wavelengths) of light and sound. The Chinese and later the Pythagoreans are well known for their early contributions to music theory.
climax
发表于 2025-3-24 03:14:50
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冒烟
发表于 2025-3-24 09:43:22
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替代品
发表于 2025-3-24 14:12:19
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CLAY
发表于 2025-3-24 17:22:00
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陈腐思想
发表于 2025-3-24 21:04:23
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Spinous-Process
发表于 2025-3-25 02:03:36
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