大多数金属密度相对较高，尤其是和聚合物相比较而言。
Most metals have relatively high densities, especially compared to polymers.
铜电镀工艺后表面的不平整度通常取决于版图关键特征，包括线宽，线间距和金属密度。
The non-planarity of a surface post electroplating process is usually dependent on variations of key layout characteristics including line width, line spacing and metal density.
超大碰撞可能剥去了水星的一部分岩石地幔，留下了一个金属核心，其密度与原来的岩石与金属的比例相比大得不成比例。
A titanic impact could have stripped away a portion of its rocky mantle, leaving behind a metallic core whose density is out of proportion with the original ratio of rock to metal.
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