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；
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.
商用高空间分辨率卫星数据的出现，为人们利用遥感技术研究树冠结构提供了新的数据源。
The appearance of commercial high-resolution satellite data supplies new resources for people to study crown structure of a tree by using remote sensing technique.
利用取证的方式，景观设计团队分析了导致这种高度而非绝对的树冠死亡率的场地具体情况。
Using a forensic approach, the team of landscape architects analyzed the specific site conditions that led to drastic, but not total, canopy mortality.
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