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."
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。业内人士推荐一键获取谷歌浏览器下载作为进阶阅读
在万元级别的高端笔记本品类，一个触控屏几乎已经是标配，作为这个定位的明星产品，越来越多用户和消费者也在呼吁 MacBook Pro 增加触控屏配置。
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