timber assortments meaning in Chinese
木材分类
Examples
- 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
摘要在树干形状研究的基础上，利用样木资料建立了一个适合湿地松人工林干形变化规律的可变参数削度方程，据以编制了一元材积表、二元材积表、一元材种出材率表和二元材种出材率表，这些数表经检验误差较小，精度较高，可在林业生产上推广应用。