质量密度
网络释义专业释义
双语例句原声例句
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本文采用安德森分级采样直接获得的大气气溶胶质量密度换算成数密度。
The number density is obtained by transforming the aerosol quality density which is gained directly from Andersen stage sampler.
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由质量守恒定律，质量密度增量来自未挠动的质量密度的散度和位移矢量场。
According to the law of mass conservation the incremental mass density can be inferred from the divergency of the scalar unperturbed mass density and the vectorial displacement field.
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实验和理论显示，对于局域共振声学材料而言，动态质量密度甚至还会变成是负的。
The dynamic mass density can even be negative for the locally resonant sonic materials, as demonstrated both experimentally and theoretically.
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Ah, but density is mass over volume.
但密度是质量除以体积
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