High-speed imaging reveals that the squeak of soft–rigid frictional interfaces, like sneakers sliding on a basketball court, arises from intersonic opening slip pulses—analogous to earthquake ruptures—that thin ridges on the rubber confine to repeat at a musical frequency.
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这家企业的负责人告诉记者，按行业共识与团体标准，柑皮需陈化三年以上才可称为陈皮，陈化时间越长价值越高，但他透露，自然陈化需长期积压资金，多数企业是难以承受的。，详情可参考91视频
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