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.
Олег Давыдов (Редактор отдела «Интернет и СМИ»)。关于这个话题，WPS官方版本下载提供了深入分析
A coroner has raised concerns over the safety of barriers at Wembley Stadium after an Oasis fan fell to his death at one of the band's concerts.，详情可参考旺商聊官方下载
Amanda Blacklock is president of the Selkirk Musical Theatre Group。safew官方下载对此有专业解读