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.
前款规定的淫秽物品或者淫秽信息中涉及未成年人的,从重处罚。,推荐阅读91视频获取更多信息
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