种别

běn wén chǎn shù le gōng gòng huán jìng biāo shí de gài niàn fàn chóu zhǒng bié hé xìng zhì

本文阐述了公共环境标识的概念、范畴、种别和性质。

This article elaborated the public environment marking concept, the category, the category and the nature, and center.