胸径(D),diameter at breast height(D)
1)diameter at breast height(D)胸径(D)
2)diameter breast height胸径
1.tree height by adopting the regression equation based on thediameter 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。
英文短句/例句
1.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%。
2.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
3.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
4.large sapling大幼树(高10英尺以上,胸径4英寸以下)
5.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。
6.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
7.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。
8.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;
9.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
10.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
11.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
12.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
13.Application of Back-Propagation Network to the Prediction of Stand Average Breast Diameter in Growth ProgressBP神经网络在林分平均胸径生长预估中的应用
14.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
15.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
16.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
17.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
18.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
相关短句/例句
diameter breast height胸径
1.tree height by adopting the regression equation based on thediameter 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。
3)DBH胸径
1.Study on the Correlation Between Ground Diameter andDBH 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 andDBH 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 ofDBH 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
4)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。
5)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 anddiameter 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 betweendiameter 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
6)AnteriorChest Diameter前胸胸径计
延伸阅读
压力计式温度计分子式：分子量：CAS号：性质：根据工作物质的体积或压力随着温度变化的性质而制成的一类温度计。可以分为液体式、气体式和蒸气式三种类型。主要是由温包、毛细管和弹簧管组成一个密封系统。系统内充以工作物质（一般液体式是充以水银，气体式是充以氮气，蒸气式是充以氯甲烷等）。测量时温包插于被测介质中，当温度变化时，温包内工作物质的压力发生变化，压力经毛细管传给弹簧管使其变形来表示温度。
