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We're all familiar with the high-pitched squeak of basketball shoes on the court during games, or tires squealing on pavement. Scientists conducted several experiments and discovered that the geometry of the sneakers' tread patterns determines the squeak's frequency, enabling the team to make rubber blocks set to specific frequencies and slide them across glass surfaces to play Star Wars' "Imperial March."，推荐阅读WPS下载最新地址获取更多信息
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const stepName = currentStep.type === 'Command' ? currentStep.cmd.name || 'anonymous' : currentStep.type;。WPS官方版本下载对此有专业解读