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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事實上，特朗普在國會的一些保守派盟友，可能因為這項判決而稍微鬆了一口氣。，更多细节参见搜狗输入法下载