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。
The result showed that the light distribution in the canopy were obviously affected by the leaf area index (LAI), the structure of canopy, solar radiation and its apparent movement, etc.
结果表明：梨树叶幕光能分布状况直接受叶面积系数、树冠结构、太阳位置及光强的影响。
The fruit yield of sweet orange was found to be highly significantly correlated with planting density, canopy cover rate, leaf area index and light intensity in densely planted orchards.
柑桔栽植密度、树冠覆盖率、叶面积系数和光照强度与产量呈极显著相关。
Leaf area index (LAI) is an important parameter for describing vegetation canopy structure in the terrestrial ecosystem.
叶面积指数(LAI)是描述在陆地生态系统植被冠层结构的一个重要参数。
With the depth of canopy increases, leaf nitrogen content reduces gradually, thus vertical nitrogen gradient develops.
作物冠层中叶片氮素含量沿冠层从上向下逐渐减少，形成了氮素的垂直分布梯度。
The light distribution within the canopy is subject to the leaf area index and the extinction coefficient.
光在冠层内的分布，受叶面积指数和叶片消光系数支配。
Rice spectrum features at green, red and near infrared regions were studied by measuring and analysing rice canopy reflectance and differential spectrums with 4 levels of rice leaf blast.
本文通过对4个感染不同等级稻叶瘟的水稻冠层反射光谱进行测试，并对光谱反射曲线进行微分分析，研究了绿光区、红光区和近红外区反射光谱的变异特征。
Interplanting leaf area index, the daily changes of light transmittance and light intensity in the middle part of the canopy are observed with the LAI-2000 type and photometer.
采用LAI-2000冠层仪和照度计进行行间叶面积指数、株间透光率及树冠中部光照强度日变化进行测定；
A high efficient radiosity technique was linked with tomato structure model to simulate the energy exchanges inside the canopy, and light interception was computed at the 3D leaf level.
本文将一种高效的辐射度算法与番茄结构模型有机结合，来快速模拟番茄冠层内光分布和3D叶片上的光截获。
Training systems had great influence on the leaf PAR capture, leaf and fruit temperature microclimate. Canopy temperature microclimate was better in T-bar and hedgerow trellis than in pergola trellis.
栽培方式对叶幕叶片光合有效辐射截留、叶果际温度微气候产生显著影响，T架与篱架叶幕温度微气候优于棚架；
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。
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。
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