摘要
本文采用相对干形法建立了6个树干表面积模型,5个树种系统误差(C％)<±2.88％。相关系数(R)为0.9380～0.9993。
Describes 6 surface area models of standing tree stems constructed by relative stem form method. Relative syste matic errors(c%)of 5 species were all<±2.88%.Related coefficient (R) mas 0.9830~0.9993.
出处
《西北林学院学报》
CSCD
1991年第1期22-27,共6页
Journal of Northwest Forestry University
关键词
相对干形
树干表面积
模型
立木
Relative stem form
Surface area of tree stem
Standing tree
Model
Precision
