( biology) a taxonomic category between a genus and a subfamily. 生物学中介于属和亚科之间的分类单位。
( biology) a taxonomic category below a class and above an order. (生物学)居于纲和目之间的一个分类范畴。
( biology) a taxonomic category below a family. 生物学中科以下的分类单位。
The objective of this research is to study the feasibility, reliability and importance of the math-morphological features ( MMF) used as taxonomic features of taxonomic category which means classifying insects by order, as well as the distance of the kinship among the 3 orders. 研究了昆虫的数学形态特征在目级昆虫分类阶元上作为分类特征的可行性、可靠性和重要性,以及3个目的亲缘关系远近。