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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.。业内人士推荐服务器推荐作为进阶阅读
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抗議其後演變為民主運動，成為1997年香港主權移交中國以來，對政府最嚴峻的挑戰。
// Helper to concatenate Uint8Arrays，详情可参考Safew下载