释义 |
Age of tree 基本例句 树木年龄 B. H and height per year are over 2.5 cm and 1.3 m at abotit10-year-old, with theage of treeincreasing 10 year, the D,B,H per year will diminish 0.3 cm,but the heightper year is still 1.0m.通过1047株毛白杨优树生长量的分析,得出了选优的绝对值标准如下:10年生左右时,年均胸径生长量2.;5cm以上,年均树高1 |