1) standing volume
立木材积
1.
Application of 3D laser scanning system in mensurating standing volume.;
三维激光扫描系统在立木材积测定中的应用
2.
And then the out-turn percentage of the timber kind is converted to standing volume.
介绍了当盗伐、滥伐林木已被造林的立木材积测算方法。
3.
The results show that the estimating equation of standing volume is effective and therefore can be put into practical use.
以正形数为基础,提出V=f0 1h·g0 1h·h的单株立木材积估测式,经6个树种944株样木试验,并与二元立木材积表法进行了比较,结果表明这个立木材积式取得了良好的估计效果,可以在立木材积估测中应用。
2) tree volume
立木材积
1.
A Study on Nonlinear Dependently Estimated Tree Volume Model System f or Tibet;
西藏自治区立木材积非线性联立模型的研究
2.
Based on the data of 305 sample trees in 156 standard plots of Eucalyptus plantations in Guangxi,the two-way tree volume dynamic model for Eucalyptus plantations was established by applying modern modeling theory.
以广西速生丰产桉树人工林156块样地的305株伐倒木数据为基础,运用现代建模思想和方法,优化模型结构,研究建立了速生丰产桉树人工林二元立木材积动态模型。
3.
Based on the correlation analysis of 370 sample trees between ground diameter（D0）equations for D0 and tree volume were established.
通过对３７０株油松根径（Ｄ＿ｏ）和立木材积的相关分析，建立了回归方程，并运用加权最小二乘法估计了回归方程的参数，确定了最合理模型
3) standing tree volume
立木材积
1.
Study on measurement precision of standing tree volume;
立木材积测算精度的研究
2.
nigra,which can provide useful reference for estimating standing tree volume,was worked out.
通过对小黑杨的伐根直径、立木地径和胸径的大量调查和回归分析,估算小黑杨伐根的立木材积。
3.
Then the three-dimensional laser scanning system was used to scan the standing trees and to measure the standing tree volume.
介绍三维激光扫描系统的组成及工作原理,并采用该方法对立木进行扫描,测量立木材积。
4) volume table
立木材积表
1.
Construction of volume tables of Euro-American poplar in Henan Province;
河南省欧美杨立木材积表的编制研究
2.
The best and final equations used to construct the overbark ( V d ) and underbark ( V q ) volume tables are V d =3.
两模型总的系统偏差都小于±３％，满足编制材积表要求，并利用模型编制了橡胶树立木材积表，可供生产中应用、参考。
5) tree volume estimation
立木材积估计
6) Unlawfully felled tree volume
盗伐立木材积
补充资料：立木
1.竖木于地。 2.直木。 3.形成森林主要部分的树木的总和。亦指林地上未伐倒的活着的树木。
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