“relative density”的概念、定义、翻译、参考文献-科学参考

单词	relative density
释义	relative density Encyclopedia 工学粉末冶金检测技术释 relative density相对密度粉末冶金材料的实测密度（）与理论密度（s）之比，即/s。
随便看	groundwater steady flow groundwater-surface water interaction groundwater system groundwater table groundwater table monitoring groundwater tracer groundwater unsteady flow groundwater utilization and protection planning groundwater vulnerability groundwater vulnerability assessment ground wave propagation ground wave radio signal ground weapons motion control Groundwork of the Metaphysics of Morals group Group 10 element Group 11 element Group 12 element Group 13 element Group 14 element Group 15 element Group 16 element Group 17 element Group 18 element Group 1 element

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