reference concentration造句

例句与造句

1. the vertical distribution of particle concentration is nearly linear, and the concentration at the bottom is 3 times larger than that at the top, which indicates that ca, the reference concentration of suspended particles in einstein's equation, is larger
   2u*；颗粒的浓度沿垂线基本为线性分布，底部比上部大3倍左右，说明einstein取的悬移质参考浓度ca会有所偏大。
2. It's difficult to find reference concentration in a sentence. 用reference concentration造句挺难的