n.次近似 degree of approximation: 逼近度; 近似程度; 近似度average degree fo polymerization: 平均聚合度degree fo coherence: 相干度,相干数; 相干数degree of aggregation fo the population: 种群的聚集度approximation of first degree: 一次近似下载手机词典可随时随地查词查翻译