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specific gravity (en)  

定义

  • Information Specific Gravity (SG) is a special case of relative density. It is defined as the ratio of the density of a given substance, to the density of water (H2O).

    创建的: 7/23/25

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URI

http://aims.fao.org/aos/agrovoc/c_7281

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RDF/XML TURTLE JSON-LD 创建的 2011/11/20, 最后修改 2025/12/10