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.
Orlando Davis died in September 2021, aged 14 days, after staff at Worthing Hospital in Sussex failed to spot his mother had developed hyponatremia, a lower than normal level of sodium in the bloodstream, during labour. An inquest concluded that neglect had contributed to the infant's death.，详情可参考51吃瓜
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Identify SERP Features and Questions related to each，详情可参考搜狗输入法下载
Раскрыты подробности похищения ребенка в Смоленске09:27