... ethnic composition种族构成 floristic composition植物区系组成；植物种类成分 atmospheric composition大气成分，大气组成 ...
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... ethnic composition种族构成 floristic composition植物区系组成;植物种类成分 atmospheric composition大气成分,大气组成 ...
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initial floristic composition hypothesis 初始植物区系组成说
floristic composition and feature 区系组成与特征
floristic composition and characteristics 植物区系组成和特点
floristic c composition 植物区系组成
To survey the vegetation and analyse the floristic composition, physiognomy, community structure and species diversity, a 5 hm~2 permanent plot was established in the mid-montane evergreen broad-leaved forest in Baishanzu Mountain.1.
本文以百山祖北坡中山常绿阔叶林群落为研究对象，设置面积为5hm~2的永久样地进行全面调查，并分析群落的种类组成情况、外貌结构以及物种多样性等特征。
参考来源 - 百山祖北坡中山常绿阔叶林群落特征研究Aceording to statistics,the wild ornamental plants in the Tianmen mountainous region are up to 266 species,182 genera and 92 families,which reveal the abundance of species composition,antiq- uity of floristic composition,diversity of life-form,and richness of ornamental values.
结果表明:该地有野生观赏植物266种,隶属182属,92科,观赏植物资源种类丰富、区系组成古老、生活型多样性、观赏价值较高等特点。
参考来源 - 天门山国家森林公园野生观赏植物资源调查与评价·2,447,543篇论文数据，部分数据来源于NoteExpress
This article deals with the floristic composition and characteristics of Xuzhou.
本文论述了徐州植物区系的组成及其特点。
This paper analysed the characteristics of floristic composition and community structure of shrub vegetation in Lanzhou.
初步分析了兰州市灌木植被的区系组成及结构特征；
The floristic composition and grazing value of leguminous plants in Wutai Mountain Grassland Natural Conserve were investigated.
就五台山草地自然保护区主要豆科植物的地理成分及饲用价值进行了研究。
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