leaf canopy 枝叶冠盖 ; 林冠 ; 叶覆盖
close of leaf canopy 林冠郁闭
Leaf Canopy Radius 叶冠半径
closing leaf canopy 林冠郁闭
Needle leaf canopy 杉林冠层
Canopy is measured according to leaf-area-index (LAI) relative to wall area; for each unit of LAI, sunlight decreases by about half.
雨棚是根据相对于墙体面积的叶面积指数(LAI)来测量的；每单位LAI，日照减少约一半。
The Leaf Angle Distribution (LAD) and Leaf Area Index (LAI) are important descriptors of the vegetation canopy.
叶面倾角分布（LAD）和叶面积指数（LAI）是植被冠层结构的重要参量。
Leaf area index (LAI) is a crucial parameter of vegetation canopy structure and controls a number of biophysical processes of vegetation.
叶面积指数(LAI)是植被冠层结构的一个重要参数，它的改变标志着植被发生了生物物理变化。
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