characteristic concentration  当量浓度; 特征浓度

artistic conception characteristics  意境特征

characteristic electron concentration  特征电子浓度

conceptual planning characteristic vegetation  概念规划

High-concentration and low-concentration wastewater  高、低浓度污水

minimum inhibitory concentration and minimum bactericidal concentration  最小抑菌浓度和杀菌浓度

the minimum inhibitory concentration and minimum bactericidal concentration  最小抑菌浓度和杀菌浓度

characteristic manifold characteristic  特征簇

the greatest characteristic root and characteristic vector  最大特征根和特征向量

[Estimated environmental concentration  环境估计浓度

~(222)Rn concentration  氡浓度; ~(222)Rn浓度

〔Cl~-〕concentration  〔CI-〕浓度; 绝对射频信道号

14 C Concentration  14C浓度

2+1 two stage concentration process  2+1两级浓缩工艺

222Rn Concentration  氡浓度

3-D stress concentration  三维应力集中

50% lethal（activity inhibition）concentration(LC50)  50%致死（活性抑制）浓度(LC50)

53m concentration tank  53m浓缩池

7Be concentration  7Be浓度; 7Be 浓度; 磁带开始