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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Москвичей предупредили о резком похолодании09:45。业内人士推荐51吃瓜作为进阶阅读
但进一步增大的 R 角也让 S-Pen 的笔尾变成了一个楔形——虽然左右换个方向依然能插进去，但会留下一个凸起小三角，看上去不太讲究：
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