The components and ecological characteristics of pteridophyte were depicted and the characteristics of flora were analyzed as well. 对该区蕨类植物种类与生境特点进行了描述，并分析了其区系特点。
By means of collecting, and investigating Gramineae in Pamirs Plateau of China, we studied floristic characteristics of Gramineae in this area. 摘要在整理鉴定中国帕米尔高原禾本科植物标本的基础上，对该区禾本科植物区系特点进行了研究。
characteristic of the sound system怎么读 characteristic of the sound system是什么意思
