1)substance,物质;定量2)quantitative biomass,定量生物质3)Content and related substances determination,含量及有关物质测定4)related substances and assay,有关物质和含量测定5)The law of quantity of reaction mass,反应物质的量定律6)quantitative analysis of material,物质成分定量分析
英汉例句
Development of experimental study on laser-induced breakdown spectroscopy in quantitative analysis of material;
