A statistic that combines a set of indicators of biological diversity in a community, such as the number of species and the proportion of each species in the total number, to give an overall indication of the degree of diversity.
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。