subject breadth

subject breadth的基本解释

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主题范围

与subject breadth相关的网络例句 [注：此内容来源于网络，仅供参考]

In recent years it has been exploited to be a famous scenic spot. To avoid vegetation degradation resulting from human activities and strengthen plant protection, Carpinus turczaninowii communities in great valley were selected as our research subject. The species diversity, interspecific association and correlation, niche breadth and niche overlap in these communities were studied using quantitative methods.

为了加强对该地区植被的保护，避免因人为干扰而导致的植被破坏和退化，本文以太行山南段的小叶鹅耳枥群落为研究对象，在分析了群落主要特征的基础上，应用数量生态学方法，分别从群落的物种多样性、优势种群的种间关系和生态位三个方面，客观定量地分析了植物群落的生态关系。