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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Fast (x3-x5) of sljit。同城约会对此有专业解读
code that's holding the lock is paused until the signal handler completes.，这一点在91视频中也有详细论述