1) Relation between the basal diameter and diameter at breast height
地径与胸径的关系
2) rhizome and dbh
根径与胸径
1.
Regression analysis between rhizome and dbh of main tree species in nataral forests in North Shaanxi and significat tests on the regression models showed that there was a close straight regression between the rhizame and dbh,definite function existed between the rhizome and dbh,and the established.
通过对陕西天然林几个主要树种根径与胸径的回归分析、回归模型的建立及相关关系进行显著性检验 ,结果表明 ,根径与胸径间存在着密切、显著的直线回归关系 ,根径与胸径间存在着确定的函数关系 ,所建立的回归模型是成立的、可用的。
3) diameter breast height
胸径
1.
tree height by adopting the regression equation based on the diameter breast height of fallen C.
为快捷、准确测定杉木树高 ,采用伐倒木的胸径、绝对削度 ,建立这两个因子与树高的回归方程 ,以估测树高。
4) DBH
胸径
1.
Study on the Correlation Between Ground Diameter and DBH of Pinus sylvestris var.mongolica on Sand Land of Northwest Liaoning and its Application;
辽西北沙地樟子松地径与胸径相关关系及其应用研究
2.
Fractal Characteristics of Root System,Tree Height and DBH of Choerospondias axillaris;
南酸枣人工幼林根系与其树高、胸径的分形特征
3.
Simulating to Weibull Distribution of DBH and Height of Artificial Stand of Alnus cremastogyne;
桤木人工林林分胸径与树高的威布尔分布拟合
5) diameter at breast height(DBH)
胸径
1.
Taking Guangxi Standard Standing Volume Formula as a basis,electric volume table about the main timer tree species has been made with VB programming language,with which you just need to input the values of diameter at breast height(DBH) and tree height rather than table checking or manual computation,and then you can obtain the corresponding timber volume value.
利用该程序,不需查表或手工计算,只需输入或批量导入胸径和树高值,即可求得相应的材积值。
2.
Regression equations among the leaf area index(LAI),bamboo stock diameter at breast height(DBH),density of bamboo plantation and the number of branch strata were set,and it was discovered that there were close correlations among these indices.
通过建立四季竹叶面积指数与立竹胸径、密度、枝盘数等因子间的回归经验式,发现其间存在着显著的相关关系,且均是影响竹笋产量的重要林分结构因子,其中叶面积指数与竹笋产量紧密相关,当叶面积指数为10。
6) diameter at breast height
胸径
1.
Analysison Relationship Between Height and Diameter at Breast Height of Main Mangroves in Dongzhai Harbour,Hainan Island;
海南东寨港主要红树植物树高与胸径相关关系
2.
Study on the model between height and diameter at breast height of Metasequoia glyptostroboides in Shanghai
上海水杉树高与胸径关系模式分析
3.
Relationships between diameter at breast height and cone/seed character of Pinus thunbergii population in Yantai coastal protection forest
烟台海防林黑松种群胸径与种实性状关系
补充资料：经济关系(见生产关系)
经济关系(见生产关系)
economical relation
1 ingji gU口nxj经济关系(eeonomieal relation)系。见生产关
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条