The processes of metallic asperities moving across each other, which are decisive in most machinery, have been visualized at the atomic scale, revealing unexpected behaviour especially when under tensile stress.

中文翻译：

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逐个原子可视化

在大多数机械中起决定性作用的金属粗糙体相互移动的过程已在原子尺度上可视化，揭示了意想不到的行为，尤其是在拉伸应力下。