词组、短语、俚语及习惯用语• concentration area
集中地区。• concentration camp
集中营。• concentration cell
浓差电池。• concentration constant
论量常数。浓度常数。• concentration cylinder
聚焦圆筒[电极]。• concentration depolarization
浓度消偏振。• concentration difference
浓度差。• concentration diffusion
浓差扩散。• concentration ellipse
同心椭圆。• concentration ellipsoid
密集椭球。
concentration gradient
concentration-gradient的词性：
n.（名词）
1. The graduated difference in concentration of a solute per unit distance through a solution.
浓度梯度：贯穿整个溶液的每单位距离间的浓度差别
