例句與造句

1. 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(chǔ)上，利用樣木資料建立了一個(gè)適合濕地松人工林干形變化規(guī)律的可變參數(shù)削度方程，據(jù)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(shù)表經(jīng)檢驗(yàn)誤差較小，精度較高，可在林業(yè)生產(chǎn)上推廣應(yīng)用。
2. It's difficult to find tree mensuration in a sentence. 用tree mensuration造句挺難的