chest depth caliper

用法例句

Effects of minimum measured diameter on determining spatial distribution patterns of Pinus tabulaeformis forest trees;

不同起测胸径对判定油松分布格局的影响

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。

The growth of all the progenies from the clones in the seed orchard have exceeded those from their plus trees in plantations,having an average gain of 9.1%(4.7%~14.1%) for height and 14.5%(9.9%~23%) for DBH.

树高增长9.1%,胸径增加14.5%。

Outside and inside bark diameter at breast height for Platycladus orientalis and Pinus tabulaeformis in the Beijing area

北京地区侧柏、油松带皮胸径与去皮胸径的关系

Research on the Model of Ground and Breast Diameters of Slash Pine(Pinus elliotti.) Plantation

湿地松人工林地径与胸径树高模型的研究

large sapling

大幼树(高10英尺以上, 胸径4英寸以下)

V.Salvador into ZhejiangProvince was started in 1972.Four-year-old trees could be as tall as 8.36 m witha diameter of 10.36 cm at breast height.

种植的4年生树高达8.36米、胸径10.36厘米。

GAM Model for Diameter and Height Growth of Pinus yunnanensis in Middle Regions of Yunnan Province

滇中云南松胸径和树高生长的GAM模型

A40 meter observation tower towers aloft on the region.

林中树木胸径最大可达140厘米、高达37米。

correlationcoefficient (r) between the height growth and DBH growth was 0.6--0.7;

树高与胸径生长的相关系数γ值为0.6—0.7;

A STUDY ON SIMULATING PREDICTIVE MODEL OF MEAN DBH FOR BAMBOO STANDS

毛竹林林分平均胸径模拟预测模型的研究

Effect of Site Condition on Yield and Breast Diameter of Carya hunanensis

立地条件对湖南山核桃产量与胸径的影响

Variable Relationship between Tree Age and Diameter at Breast Height for Natural Forests in Changbai Mountains

长白山地区天然林林木年龄与胸径的变动关系

Discussion on the impact of zoning sites and the average diameter on stand volume

谈区划布点和平均胸径对林分蓄积的影响

Application of Back-Propagation Network to the Prediction of Stand Average Breast Diameter in Growth Progress

BP神经网络在林分平均胸径生长预估中的应用

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

Analysis on the Physiological Characteristic of Populus euphratica with Different DBH under Drought Stress

干旱胁迫下不同胸径胡杨生理特点分析

Effect of simulated N and S combined deposition on DBH of Eucalyptus dunnii

邓恩桉胸径生长对模拟硫、氮复合沉降的响应

Individual DBH Growth Model of Pinus tabulaeformis Young-Middle Aged Plantation

油松中幼人工林单木胸径生长模型研究

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