沂州海棠 - 什么意思 - 金山词霸汉语 - HAPPY Life 关键词：数量分类；沂州海棠 [gap=869]Key words：numerical taxonomy，Chaenomeles‘Yizhou’
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关键词 : 山地 ; 植物群落 ; 数量分类 ; 排序 [gap=1562]Key words: mountain; plant communities; quantitative classification; ordination
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数量分类学 Numerical Taxonomy ; [数] quantitative taxology
数量分类辨证 Numerical taxonomic differentiation of syndrome
森林数量分类 quantitative analysis of forest
数量细胞分类 numerical cytotaxonomy
计数和分类测量对象 Manual Tag
参数支持向量分类机 v- Support Vector Classifier
数值变量分类 categorization of numerical variables
数量化学分类 Numerical-chemical taxonomy
Quantitative classification and ordination are the important methods for studying community ecological relationships,providing a reasonable and effective way of revealing the relationship among vegetation,plant community and environment objectively and exactly.
数量分类和排序是研究群落生态关系的重要数量方法,它为客观、准确地揭示植被、植物群落及植被与环境之间的生态关系提供了合理、有效的途径。
参考来源 - 山地植物群落数量分类和排序研究进展Numerical taxonomy and RAPD cluster accorded with the hindering effect of Qinling Mountains and the Loess Plateau to Pieris rapae.
数量分类和RAPD聚类分析基本符合秦岭山脉和黄土高原对菜粉蝶的阻碍作用。
参考来源 - 秦岭地区菜粉蝶遗传多样性及种群分化研究Based on the morphology, 51 L. indica varieties and 2 species of Lagerstroemia are studied using the numerical taxonomy. The clustering result is in accord with earlier classification.3.
2、以形态性状为基础,利用39个性状对其中的51个紫薇品种和南紫薇、福建紫薇进行数量分类学研究,得到的聚类分析结果与紫薇品种分类原则基本相同。
参考来源 - 我国紫薇新品种DUS测试指南及已知品种数据库的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文探讨了星座图在棉花品种数量分类中的应用效果。
This study probed into the application of the constellation graph (CG) in quantitative classification of cotton varieties.
结果表明，星座图是一种清晰简洁而又有效的数量分类方法。
The result indicated that the CG was an objective, effective, clear and simple quantitative classification method.
比较不同的系统聚类方法，类平均法能较好适合辣椒品种的数量分类。
Compared with other systematic clustering method, UPGMA would be better for the numerical taxonomy of the capsicum varieties.
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