When shoes slide across a floor, wave-like deformations of the sole can generate squeaking. The pitch of the squeak depends on the rate at which deformations are generated.
从“一个都不能少”的脱贫攻坚战，到“防止规模性返贫致贫”的成果保卫战，深刻展示了以习近平同志为核心的党中央深厚的人民情怀，形成并丰富着中国特色反贫困理论和实践。
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Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00593-x
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