【材料学】 = elasticity proportionality: n. 比例(性);均衡(性);相称。 analogy of proportionality: 比例类比coeffcient of proportionality: 比例系数coefficient of proportionality: 比例系数constant of proportionality: 比例常数; 比例系数下载手机词典可随时随地查词查翻译