| EXAMPLE SENTENCES | ||
|---|---|---|
地径、胸径、材积之间存在显著差异。 There are significant difference among DBH, height and volume. | ||
旱季影响小熊猫生境选择的关键因子是乔木胸径； The key factor influenced on habitat selection in dry season was the tree size; | ||
随距阔叶树基干距离的增加，新竹平均胸径迅速增加。 The average DBH of new bamboo increased with the increasing distance from the tree. | ||
较小的经营密度有利于提高人工油松林胸径生长速率。 Smaller management density was beneficial to increase DBH growth rate of Chinese pine forest. | ||
结果表明，以小径木为间伐对象的间伐作业对林分胸径分布有正面影响； The results indicated that thinning based on small DBH had positive effect on stand distribution. | ||
运用所拟合的数量化回归模型预测马尾松幼林的树高和胸径可达到较高的精度。 The fitted quantitative regression models could be used to forecast height and DBH of the young stands, and the forecast precision was high. | ||
两种林分的胸径生长量在13年生以后明显降低，但阴坡林分的降幅明显小于阳坡林分； The DBH growth of the two forests was declined greatly after 13 years, but the decrement was obviously less in shady slope forest than in sunny slope forest. | ||
林分标准郁闭度达0.85以上时，胸径连年生长量已下降，株数间伐强度以不超过30%为宜。 While standard degree of closing of the plantation reached 0.85, current annual increment of DBH started to decline, and the intensity of thinning should not exceed 30%. | ||
为探讨山地绿竹低产林的施肥效果，在福建省福安市进行了不同肥种对株数增长率、产笋量、新老竹胸径以及退笋的影响试验。 Experiments of fertilization were conducted in Fuan City to find out the effect of fertilization on the dendrocalamopsis oldhami low productive forest on the hill. | ||
