tree-stem theory 树干理论
chulan tree stem and leaf 珠兰 ; 释义珠兰
tree stem form 树干形质
tree stem impedance 树体干部阻抗
tree stem capacitance 树体干部电容
tree stem surface area 树干表面积
The variation pattern of wood characters within tree revealed the utilization rate of tree stem.
木材性状株内变异模式揭示了树干利用率。
Moreover, it was carried out that tree stem forms were valued by index method analysis for each new poplar clones.
同时利用指数分析法对杨树新无性系干形的优劣进行了综合评价。
The variation of the three wood characters in perpendicular direction could not make great influence on vertical utilization rate of tree stem.
三个性状在垂直方向的变异对树干纵向利用率不会产生很大的影响。
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