similarity index

The structure of grasshopper community in different environment in Luo River region was compared using species-abundance model, diversity index, similarity analysis, principal component analysis and stepwise regression.

应用种-多度分布模型、多样性指数、相似性分析、主成分（PCA）分析及多元逐步回归等方法比较了洛河流域不同生境的蝗虫群落结构。

互联网摘选

The detailed content can be illustrated as follows. Firstly, already proposed dimensionality reduction cause unboundedness of searching space, so subsequence similarity search algorithm can not effectively filter the point in the index.

首先，原有降维技术造成序列数据搜索空间无界性，使得子序列相似查询算法在索引遍历时不能充分实现点过滤。

互联网摘选

Species turnover ( Cody index ) paralleled patterns of community similarity ( C J )

Cody指数也有类似的趋势,原因在于物种丰富度的变化.

互联网摘选

Qualitative Analysis of Monoterpene Isomers by GC-MS with Spectral Similarity Analysis and Retention Index

谱图相似度分析结合保留指数对单萜烯同分异构体的GC-MS定性分析

互联网摘选

The method measures the similarity of durability index series of components by the use of similarity coefficient and forms a fuzzy equivalence matrix with sort function.

该方法利用相似系数在各构件的耐久性指标序列之间进行相似性度量，并形成了具有分类功能的模糊等价矩阵。

互联网摘选

The continuity of the habitat type and distribution of the species could be seen by calculating the similarity index.

通过对群落相似性指数的计测可以看出生境类型与物种分布具有连续性。

互联网摘选