样品的真密度和比重都能够显示出来。

True density and specific gravity of your sample are displayed.

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为了简便，研究人员常常使用比重而不使用密度。

To make this simpler, research workers often use specific gravity instead of density.

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为了简便，研究人员常常使用比重而不使用密度。

To make this simpler, research workers often use specific gravity instead of density.

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