breast height
基本解释
- 胸高
英汉例句
- This paper also established some models to relate bark-percentage to breast-height diameter, age, height, stand density, as well as bark thickness diameter.
树干各部位皮厚与所在部位直径具有十分密切的关系， 其相关模型可用于立木造材中树皮率的估测。 - The genetic gains of superior families selected by progeny tests on early tree height, diameter breast-high and volume growth were 8.24%, 14.33% and 24.16% respectively.
通过子代测定选出的优良家系，其有性后代在树高、胸径和材积早期生长的遗传增益分别为8.24％，14.33％和24.16％。 - Wood basic density and fiber morphological features in the breast-height position for512-year-old excellent clones of Populus tomentosa Carr. (1CK)were measured and analyzed in this paper.
对12年生5个毛白杨优良无性系（另1个作对照）胸高处木材的基本密度和纤维形态进行了测定分析。 - Epidemiologic studies over the past 40 years have identified numerous risk factors for breast cancer, including: older age, an early age at menarche, a late age at first full-term birth, not having children, a family history of breast cancer in a first-degree relative, greater height, higher circulating estrogen levels, postmenopausal hormone use, breast density, history of breast biopsies, obesity (for postmenopausal breast cancer), and exposure to ionizing radiation.
FORBES: After 40 Years Of Research, What Do We Know About Preventing Breast Cancer?
双语例句
权威例句
词组短语
- breast -height basal area 胸高断面积
- breast diameter height form factor 胸高形数
- basal area of breast -height 胸高断面积
- Breast -height form-factor 胸高形数
- total basal -area of breast-height 胸高总断面积表
短语
专业释义
- 胸高
Tree density, the diameter of trees at breast height and the hygroscopic volume of plant leaves were determined in each plot in order to analyze the relationship between plant species diversity and ecosystem function related to soil conservation and community structure. The degraded AEI, APMO, APLO and ACKV communities were restored naturally and the AEME was restored using plantation trees of E. smith and E. maidenii at AEI.
物种多样性与影响土壤保持功能的群落郁闭度、密度和胸高断面积呈正相关关系。