The ancient Greeks figured out that if you have a set of strings, it sounds really good if you tune them following the pitch ratios from the natural harmonic series. In such tuning systems, you pick a starting frequency, and then multiply or divide it by ratios of whole numbers to generate more frequencies, the same way you figure out the frequencies of a single string’s harmonics. The best-sounding note combinations (to Western people) are the ones derived from the first few harmonics. In other words, you get the nicest harmony (for Western people) when you multiply and divide your frequencies by ratios of the smallest prime numbers: 2, 3, and 5.
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2025年，财政部门深入贯彻党中央和国务院决策部署，认真落实预算法和人大预算审查监督有关要求，严格执行全国人大批准的预算，财政政策持续用力、更加给力，加强国家重大战略任务和基本民生财力保障，以深化改革破难题、以强化管理增效能，为完成全年经济社会发展主要目标任务提供有力支撑。
“The data is raising huge red flags that we are losing immigrants of all types that otherwise would be advancing America’s economy,” he added.
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