regeneration under crown cover 林冠下更新
Density of crown cover 树冠疎密度
crown cover degree 树冠盖度
ERA crown cover attachment ERA冠内覆盖附着体
degree of crown cover 树冠覆盖度
crown gap cover 顶部凹口盖
cover of the Crown 累丝龙纹玉盂金盒盒盖
The trunk runoff is decrease gradually with tree diameter breast height increased, the crown cover areas enlarged and the bark thickened.
树干茎流量随着林木胸径的增加、林冠覆盖面积的增大和树皮增厚而减小。
Objective: to observe ERA crown cover attachment of the long-term effects of teeth to determine ERA crown cover attachment abutment the scope of choice.
目的:临床观察era冠内覆盖附着体基牙的远期效果,确定ERA冠内覆盖附着体基牙选择的范围。
The species component, density and index of crown cover in the tree layer effect on distribution of illumination and under plants in the plant community.
群落中光照的分布状况受乔木层的种类组成、密度与冠幅指数等因子的影响,且对下层植物分布有较大的作用。
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