搜索结果: 1-2 共查到“森林测量学 forests”相关记录2条 . 查询时间(0.07 秒)
Analytical hierarchy process to choose the best earthwork machine in northern forests of Iran
best selection earthwork machine environmental criteria analytical hierarchy process northern forests
2015/4/24
This study attempts to use the analytical hierarchy process to choose the most appropriate earthwork machine for slope classes of 30–50% and 50–70%. Required data were collected by pairwise comparison...
Induction thinnings of mountain spruce forests
spruce induction thinnings thinning percent type of thinning thinning interval thinning index
2015/2/2
The paper presents models of decennial thinning percents of spruce in mountain locations. They were derived by regression fitting from empirical material with 108 measurements on 93 research plots. Mo...