Can you see the pattern here? Anytime you want to use intervals based on third harmonics, you’re multiplying and dividing by 3, but anytime you want to use intervals based on fifth harmonics, you’re multiplying and dividing by 5. (Notice that the conflicting notes always conflict by the same amount, too, a ratio of 81/80.) Starting from C, it’s possible to produce any note if you multiply or divide your frequencies by 3 enough times, but those notes won’t be in tune with the notes you’d get multiplying or dividing your frequencies by 5, because 3 and 5 don’t mutually divide evenly. This is not just an abstract mathematical issue. It’s the reason that it’s impossible to have a guitar be in tune with itself.
第四十七条 国家加强原子能领域进出口管理工作，履行进出口国际义务和承诺，保证进出口物项的和平用途。，详情可参考新收录的资料
。新收录的资料是该领域的重要参考
claude-opus-4-6-thinking。新收录的资料是该领域的重要参考
为此，他还专门为美团AI战略划定了清晰的三层路线图：
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