relative density TEF/TCF常用TEF/TCF专四

n.相对密度 newrelative density的英文翻译是什么意思，词典释义与在线翻译：英英释义Noun:the ratio of the density of something to the density of a standard

relative density的用法和样例：例句用作名词(n.)The analysis indicates that micropacking silica fume works to the density and relative density of RPC, and its pozzolanic effect helps the strength of RPC.
硅灰的微填充效应有利于提高活性粉末混凝土的密度和相对密度，而火山灰效应有利于提高其强度。

Mass loss rates of fir leaf litter appeared consistent with the taxa and individual relative densityMass loss rates of fir leaf litter appeared consistent with the taxa and individual relative density

不同孔径凋落物袋内土壤动物的类群和个体相对密度与凋落叶的质量损失率呈现相对一致的变化趋势。

method of testing for relative density of gas in urban areamethod of testing for relative density of gas in urban area

GB/T12207-1990城市燃气相对密度测定方法

n.相对密度 newrelative density的英文翻译是什么意思，词典释义与在线翻译：英英释义Noun:the ratio ofn.相对密度 newrelative density的英文翻译是什么意思，词典释义与在线翻译：英英释义Noun:the ratio of

硅灰的微填充效应有利于提高活性粉末混凝土的密度和相对密度，而火山灰效应有利于提高其强度。