classification

n.分类；分级；类别；（动植物等的）分类学

网络解释.分类；分级；分型；分组

词形变化:

复数：classifications

n.1.类别,等级释义下的同义词

class arrangement variety category division group grade assortment sort section genre kind rank type order gradation

2.系统,释义下的同义词

system

3.选别,分等,分级释义下的同义词

ordering categorizing grading distribution systematization grouping categorization cataloging sorting