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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.。关于这个话题,爱思助手下载最新版本提供了深入分析
人 民 网 版 权 所 有 ,未 经 书 面 授 权 禁 止 使 用,这一点在WPS官方版本下载中也有详细论述
他说,“我们正处于一个阶段,军事小组完成了90%的工作。我们已经达到了一个界限,剩下的工作我们无法完成,因为需要政治决策”。(央视新闻)
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