Image processing and analysis algorithms for measuring log volume;
用于原木材积检测的图像处理与分析算法
Analysis and study log volume of choice felling in man-planted forestry in composition;
用主成份分析法研究人工林扶育间伐的原木材积
Log volume inspection is very important in forestry research and paper making engineering.
原木材积的检测在林业研究及造纸工程等领域是十分重要的。
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
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。
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。
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
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。
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
Study on measurement precision of standing tree volume;
立木材积测算精度的研究
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。
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。
Based on the investigation of 100 samples,6 common models are used to analyse the single tree volume model for I-69 poplar.
利用100份I-69杨的解析木材料对6个常用的材积方程进行了拟合,确定I-69杨的单木材积方程V带皮=4。
Research on Log Volume Measuring System by Computer Vision;
原木材积计算机视觉检测系统的研究
Research for the Log Examination's System According to Wrap Net Principle
基于包络原理的原木材积检测技术的研究
American LogsLumber Charter Party
美国原木木材租船合同
The reality wood flat floor takes wood assortments such as birch, oak wood, elm, color wood as raw material.
实木平板地板以桦木、木、木、木等材种为原材料。
a board measure = 1980 board feet.
木材体积单位=板英尺。
Mortality is the number or volume of trees periodically rendered unusable through natural causes.
枯损是一类由于自然原因而定期变得无用的林木株数或材积。
To cut and prepare timber for marketing.
锯木料把原木锯成木材以备出售
paper stock,(eg rags,wood,etc)
造纸原料（如破布、木材等）.
We work with Radiata pine lumber, Eucalyptus chips as well as Eucalyptus pulp logs and hardwood logs and lumber.
产品有辐射松锯材、树木片，以及桉树纸浆材原木和阔叶原木及锯材。
The reality wood flat floor takes wood assortments such as birch , oak wood , elm , color wood as raw material.
实木平板地板以桦木、柞木、榆木、色木等材种为原材料。
Volume table of chinese firtree poles
GB4815-1984杉原条材积表
Including logs, sawn wood, veneer sheets and plywood.
4包括原木、锯材、饰面木皮及夹板。
The Application of the Relative Crown Length in the Standing Volume Measuring of Cunninghamia lanceolata Plantation;
相对冠长在杉木人工林立木材积测定中的应用
Study on the Single Entry Volume Equation with Tree Height Grade of Chinese Fir in Southeastern Guizhou
黔东南州杉木树高级一元活立木材积式研究
The Influences of Dimensions of Wood Stick to Properties of Chinese Fir Oriented Laminated Stick Lumber
木束条尺寸对杉木积成材性能的影响研究
Wood and stone are the only raw materials on the island.
木材和石头是这个岛上仅有的原材料。
Wood and stone are the only raw materials on the island
木材和石头是这个岛上仅有的原材料
Growing Stock on Forest Area Available for Wood Supply
工业用材林的林木蓄积量情况