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.
（三）居民委员会所有和使用的设施的管理使用情况；。业内人士推荐快连下载安装作为进阶阅读
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Same-font vs cross-font: font pairing matters