根据太白山自然保护区立地特征，以生态学作为立地分类理论依据，制定出一套较为完整的立地分类系统。
According to the site characteristics of Taibai Mountain conservation area, using ecology as theoretical bases, an integrated site classification system is established.
全面系统地阐述了水资源的作用功能和价值分类，分系统分类别第一次深入剖析和总结了水资源的生态环境价值功能。
The thesis, so far for the first time, analyzes and summarizes the functions and values of water resources in ecological environment according to their system and category.
通过建立自然资源价值分类体系，估算典型生态区生态系统效益功能价值。
The value classification system of natural resource was built up to estimate efficiency and functional value of typical ecosystems.
本文从绿地分类、景观设计的指导思想和原则及道路景观规划等三个方面，阐述了完善居住环境的绿化景观生态系统的有效途径。
This paper states availability way to perfect greenbelt and improve habitation quality form three aspects of greenbelt classifying, sight design guidance thought and principle, road sight programming.
本文综述了近年来国内外学者在车前属生态学、进化生物学、系统分类学方面的研究概况。
In the present paper, the advances in ecology, evolutionary biology and taxonomy of the genus Plantago were reviewed.
本文综述了近年来国内外学者在车前属生态学、进化生物学、系统分类学方面的研究概况。
The systematic grouping of organisms into categories on the basis of evolutionary or structural relationships between them; taxonomy.
对植物化学的研究现状及其衍生学科———植物化学生态学、植物化学分类学和植物化学系统学进行综述。
Present status of phytochemistry and its derived subjects-phytochemistry ecology, phytochemistry taxology and phytochemistry economy were reviewed.
对植物化学的研究现状及其衍生学科———植物化学生态学、植物化学分类学和植物化学系统学进行综述。
Present status of phytochemistry and its derived subjects-phytochemistry ecology, phytochemistry taxology and phytochemistry economy were reviewed.
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