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1)  The trunk of a tree.
树干树的主干
2)  main frame tree
主干树
3)  stem [英][stem]  [美][stɛm]
树干
1.
A study on the changing values of form index andgeometrical solids of tree stem;
形状指数的变动及树干几何体变化规律的研究
2.
An organo phosphorous pesticide-monocrophos that has long persistent effect period and broad-spectrum insecticidal activity was injected into Italian poplar stem through the bored hole in basal part.
在意杨树干基部钻眼 ,注射持效期长、杀虫谱广的有机磷农药久效磷 ,经其木质部的导管、管胞输送到叶片 ,通过胃毒作用杀死意杨叶面害虫 ,效果好、持续时间长。
3.
Based on the study on distribution law of moisture content of stem(barking)for Eucalyptus grandisxurophylla,this paper presented that the moisture content of stem(barking)for Eucalyptus grandisxurophylla could be gained by investigating the moisture content of stem at relative tree height 3/10,which would reduce work in investigating biomass of stem (barking)for Eucalyptus grandisxurophylla.
研究巨尾桉树干 (去皮 )含水率的分布规律后 ,认为巨尾桉树干 (去皮 )的含水率可以采用调查 3/1 0 H处的含水率获得 ,大大减小巨尾桉树干 (去皮 )生物量调查工作量 。
4)  Trunk [英][trʌŋk]  [美][trʌŋk]
树干
1.
Two Trunk-damaged Diseases of Eucalyptus and the Control Methods;
桉树树干两种病害及其防治
2.
Distribution of Urocerus gigas taiganus emergence holes on larch trunks;
泰加大树蜂羽化孔在落叶松树干上的分布
3.
The oviposition amount of Dictyoploca japonica on Juglans mandshurica trunk is positively related with the age of stands,breast diameter and the degree of bark crack and negatively related with the height of trees.
银杏大蚕蛾 Dictyoploca japonica Moore在胡桃楸 Juglans mandshurica树干上的产卵量与林龄、胸径及树皮开裂程度成正比 ,而与树高成反比 ;山的北坡、西坡、山下腹较东坡、南坡、山的中上腹产卵量高 ,树干的北面和西面的产卵量高于南面和东面。
5)  bole [英][bəʊl]  [美][bol]
树干
1.
Fire resistance of Pinus armandii bole were tested with fuel bed designed by the authors during the prohibitive period of forest fire.
在森林防火戒严期,用自行设计的装置对云南主要造林树种华山松(Pinus armandii)进行了不同温度、时间作用下的树干耐火性试验,用红四氮唑对高温作用后的树干韧皮部进行了染色,经勾绘、扫描后用Photoshop软件将死亡的韧皮部处理成易于计算机识别的纯色,用Visual Basic6。
6)  the prostrate trunk of a coconut tree
椰子树的直树干
补充资料:树干
1.亦作"树干"。 2.树的主体部分;树身。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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