density of trees造句

• A forest is an area with a high density of trees ( or , historically , a wooded area set aside for hunting )
  森林是树木密集的地方（以历史的观点看，树木繁多的地方靠近狩猎区） 。
• However the density of trees increased , and at the same time , shrubs density , maxium proportion of tree number of certain dbh range trend to decrease
  而乔木密度呈增加趋势，而灌木密度和乔木树种的最大株数比例的胸径范围呈不断降低趋势。
• Instead of merely estimating the area of forest in each part of the world ( the traditional way of measuring forest cover ) , they took into account the volume of timber , the weight of the organic matter and the density of trees to calculate what they dubbed the “ forest identity ” , a measure of the carbon - capturing capacity of forests
  他们并不是仅仅估计一下世界各地的森林面积（测量森林覆盖的传统手段） ，相反，他们计算木材蓄积量、有机质的重量以及森林的密度以便计算被他们称为“森林恒等式”的指标，该指标用以测度森林固碳的能力。