浓度concentration
【建】 电流浓度current concentration
平均红细胞血红蛋白浓度mean corpuscular hemoglobin concentration
应力集中stress concentration
【电】 本质亮度intrinsic carrier concentration
料浆法磷酸一铵slurry concentration process monoammonium phosphate
生态浓缩ecological concentration
【化】 临界浓度critical concentration