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."
Key differences，详情可参考体育直播
687 OPR_R - PROTUN TST_DES_SIMPLE PTOVRR UNL ; validate descriptor。safew官方版本下载是该领域的重要参考
9VitestStrong DefaultTesting
Фото: Majid Asgaripour / WANA (West Asia News Agency) via Reuters