1) Light penetration through crowns
果树冠层透光率
2) fruiter crown diameter
果树冠幅
1.
Detection mechanism for fruiter crown diameter;
果树冠幅的检测机理研究
3) population bottom light transmission ratio
底层透光率
4) canopy photosynthetic discrimination
冠层光合甄别率
5) crown ratio
树冠率
1.
Weibull distribution and dynamic prediction of crown ratio for Pinus tabulaeformis and Platycladus orientalis plantation;
油松、侧柏人工林树冠率的Weibull分布及动态预测
2.
Weibull function was used to simulate the distribution of crown ratio of Platycladus orientalis.
应用Weibull函数拟合侧柏(Platycladus orientalis)人工林树冠率的分布。
6) tree water
树冠穿透水
1.
In this study,road runoff,rainwater,ground sediment and roadside tree water samples were collected from three types of roads in Beijing in 2006.
将道路地表径流及降雨、路面积尘和行道树树冠穿透水作为整体系统,对其中多环芳烃(PAHs)的来源进行分析。
补充资料：树冠
1.乔木树干以上连同集生枝叶的部分，其状如冠，故称。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条