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- After planting, tree height (H), diameter at ground level (D) and diameter at breast height (DBH) were measured at regular intervals. 造林后，定期观测树高、地径或胸径。
- The order of effects of main characters of increment on volume was brest diameter,tree height,tree crown ,diameter of first main branch and branch height,respectively. 育种主要生长量性状对材积的影响大小顺序是胸径、树高、冠幅、侧枝粗细和枝下高。
- The result showed that their growth index such as tree height, diameter, wood production per plant and yield were significant difference among 16 pine tree lines. 结果表明：16个湿地松高产脂品系的树高、胸径、单株材积等生长指标及产脂量表现差异显著或极显著；
- Three tree factors of diameter at breast height,tree height and tree volume of Japanese larch had been studied by using 5 empirical formulas and grey GM(1,1)model in this paper. 对日本落叶松三测树因子采用了5个经验方程和灰色GM(1,1)模型进行研究,经验方程中选中了柯列尔式,柯列尔式的各测树因子的残差平方和均小于GM(1,1)的残差平方和。
- Either Eucalyptus urophylla or Pinus massoniana, the current annual increment of tree height, diameter and volume were higher at non-pollution plots than at pollution plots. 采用树干解析方法研究发现,不管是尾叶桉还是马尾松其树高、胸径和材积连年生长量基本趋势是污染地区样地比清洁区样地低。
- The results show that the water consumption of transpiration can be reckoned through standard specific conductivity of standard tree and the relative model between breast height diameter of tree and sapwood area. 结果表明，通过标准木的标准比导率和树木胸径和边材面积的相关模型，可以比较准确地推算出林分的蒸腾耗水量。
- Result showed that different waterlogging depths have obvious effects on tree height, diameter at breast height, under branch height, trunk morphological structure, stem base form, and growth process. 结果表明：不同水分条件对池杉的树高、胸径、枝下高、干形、树干基部形态及生长过程均产生明显的影响。
- There is a mean negative genetic relationship between the characteristic of lumber density and tree height, and there is no negative genetic relationship between the timber density and brest diameter,volume. 木材（基本密度）性状与树高有显著中等强度负遗传相关，与胸径、材积的负遗传相关不明显。
- By using the total station, the surveyors can determine a set of measurable factors, such as upper diameter, diameter at breast-height and tree height, and then calculate the volume. 其测量树高的精度可达1/1400，测量任一处直径的精度可达1/200，且均高于其它测树方法的精度，完全能够满足林业测量的精度要求。
- Tree height and diameter were measured from 88 provenances of Cryptomeria and from 42 provenances of China fir.A composite index of growth was constructed by taking the average of the standard scores. 摘要柳杉88个种源与杉木42个种源造林木之树高及胸径经量测及分析后，取其标准得分点数构成一个生长合成指数。
- This tree for national protected plants "crape myrtle trees," for many years, the tree height year-old 1380 34 meters, crown diameter 15 meters, DBH 1.9 meters. 该树为国家一级保护植物“紫薇树”;树龄1380多年;树高34米;冠径15米;胸径1.;9米。
- Regression equations for different DBH groups are establisheded by studying the relations between tree height and DBH. 6 研究了树高与枝下高的相关关系，选出的各分组回归方程的复相关系数为0.;119-0
- Families mean broad sense heritability for tree height was 86.67 per cent, for DBH 80.01 per cent. 本试验估算的广义家系平均遗传力树高为86.;67%25;胸径80
- In addition,the specific gravity of wood (SGW) decreased with the tree height increasing. 木材的基本密度随树高部位上升而有递减趋势。
- Baita Mountain after years of afforestation, tree height of forest, Qujingtongyou. 白塔山经过多年绿化，树高林密，曲径通幽。
- Crown distribution diagram of the community. The crown depths were the difference between tree height and height of lowest leaves. 群落的树冠分布图树冠深度为树高与叶下高的差值。
- There and then he calculated what force from the earth would hold the moon, and compared it with the known force of gravity at tree height. 当即,当时当地牛顿当即测算了地球要吸引住月球需要多大的力,并将其与果树高度的已知地球引力作了比较。
- The estimated genetic gains for tree height, DBH, bark thickness and tannin content were 25.67%, 38.27, 15.62% and 10.57% respectively. 遗传增益:树高25.;67%25、胸径38
- In trial locations the increment from Yunnan provenance was 13% in tree height and 12% in DBH greater than the mean value of all provenances. 试验林中,云南种源平均高生长大于种源平均值13%25,胸径生长大于种源平均值12%25;
- Mean tree height and DBH in the forest types increased with increasing altitude, when those in the Larix gmelini woodland were excluded. （3）乔木层的直径和树高分布清晰地反映了群落的水平和垂直结构。
