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"Tuning frictional behavior on the fly has been a long-standing engineering dream," said co-author Katia Bertoldi of Harvard University. "This new insight into how surface geometry governs slip pulses paves the way for tunable frictional metamaterials that can transition from low-friction to high-grip states on demand.” In addition, the dynamics revealed by these results are similar to those of tectonic faults and thus give scientists a new model for the mechanics of earthquakes, according to their new paper published in the journal Nature.。safew官方下载是该领域的重要参考
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他說今年其中一個梗,來自年初一個Threads影片,有中國學生到早餐店吃飯,用中國腔調問「我再問一遍」,帶動「中國腔」模仿潮。「比如說劇裡面有個溫太醫,大家就打成『ven』溫太醫,就學『中國腔』。」