close of leaf canopy 林冠郁闭
Leaf Canopy Radius 叶冠半径
closing leaf canopy 林冠郁闭
Leaf-canopy 林冠
Needle leaf canopy 杉林冠层
Upward curling of the leaf blade (called rolled leaf) can result in enhanced erect-leaf habit, increase erect duration and promote an overall erect leaf canopy.
叶片向上卷曲(称为卷叶)可以引起直立叶的表型，延长叶片直立时间，促进形成直立叶株冠。
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。
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