tree volume table 中文意思是什麼
tree volume table
解釋
立木材積表-
The variable parameter taper equation was built with diameter determination datas of different parts of cryptomeria fortunei plantation sample wood, in combination with the relative tree height curve mode and other assistant equations, volume table of c. fortunei plantation standing was compiled, and provided the scientific basis for the production and application
摘要利用柳杉人工林樣木各部位直徑測定數據,建立可變參數削度方程,配合威布爾分佈函數、相對樹高曲線模型及其他輔助方程,編制了柳杉人工林林分出材率表,為生產應用提供科學依據。 -
Aerial tree volume table
航測樹木材積表 -
The variable parameter taper equation, which was suitable to pin us elliottii plantation form changing law, was built with the sample wood datas on the basis of the research of about form shape in the tree mensuration, one - dimensional volume table, two - dimensional volume table, one - dimensional timber - produced rate table for timber assortment, and two - dimensional timber - produced rate table for timber assortment were complied based on the above
摘要在樹干形狀研究的基礎上,利用樣木資料建立了一個適合濕地松人工林干形變化規律的可變參數削度方程,據以編制了一元材積表、二元材積表、一元材種出材率表和二元材種出材率表,這些數表經檢驗誤差較小,精度較高,可在林業生產上推廣應用。 -
Study on establishment of the volume table of standing timber of poplar tree in north of anhui province
皖北楊樹二元立木材積表的編制
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