词汇 | specific gravity |
释义 | specific gravity noun [ U ] physics specialized uk/spəˌsɪf.ɪk ˈɡræv.ɪ.ti/ us/spəˌsɪf.ɪk ˈɡræv.ə.t̬i/ 比重,相对密度(现更常用 relative density) the mass of a particular volume of a substance when compared with the mass of an equal volume of water at 4°C. A more modern name for this is relative density. |
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