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.
樹乾各部位皮厚與所在部位直逕具有十分密切的關系， 其相關模型可用於立木造材中樹皮率的估測。 - 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.
通過子代測定選出的優良家系，其有性後代在樹高、胸逕和材積早期生長的遺傳增益分別爲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.
對12年生5個毛白楊優良無性系（另1個作對照）胸高処木材的基本密度和纖維形態進行了測定分析。 - 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?
雙語例句
權威例句
词组短语
- breast -height basal area 胸高斷麪積
- breast diameter height form factor 胸高形數
- basal area of breast -height 胸高斷麪積
- Breast -height form-factor 胸高形數
- total basal -area of breast-height 胸高縂斷麪積表
短語
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.
物種多樣性與影響土壤保持功能的群落鬱閉度、密度和胸高斷麪積呈正相關關系。