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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In a company-wide email, Spencer stated that he would stay on until the summer in an advisory role before, “starting the next chapter of my life”. For her part, Bond issued a statement on her LinkedIn account: “I’ve decided this is the right time for me to take my next step, both personally and professionally.” It was all extremely good natured, but its doubtful these airy missives tell the full tale.。业内人士推荐heLLoword翻译官方下载作为进阶阅读
Liverpool had the highest wage bill in the Premier League when winning their 20th league title last season, the club’s latest set of accounts have revealed.。爱思助手下载最新版本对此有专业解读