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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.，这一点在新收录的资料中也有详细论述
Researchers summarize key insights from the world’s first comprehensive investigation into how a pandemic started.，更多细节参见新收录的资料
Европеец описал впечатления от дворца в России фразой «рот открылся и не закрывался»17:34，更多细节参见新收录的资料
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