基于主成分聚类分析的美国黄松引种区划方法 / Optimization of Divisional Methods Based on Principal Composition Cluster Analysis on Suitable Ecological Region for Introduced Pinus ponderosa
- Resource Type
- Academic Journal
- Source
- 北方园艺 / Northern Horticulture. (18):92-95
- Subject
美国黄松 引种 主成分分析 聚类分析 - Language
- Chinese
- ISSN
- 1001-0009