classification
名词 classification:
the act of distributing things into classes or categories of the same type
同义词:categorization, categorisation, compartmentalization, compartmentalisation, assortment
a group of people or things arranged by class or category
同义词:categorization, categorisation
the basic cognitive process of arranging into classes or categories
同义词:categorization, categorisation, sorting
restriction imposed by the government on documents or weapons that are available only to certain authorized people