Furthermore, the relationships among contribution of different layers of tree crown to light absorption, dynamic analysis of tree crown structure and thinning as well as pruning were discussed.
并就不同冠层对光吸收的贡献与树冠结构动态分析及抚育间伐修枝方面的关系进行了讨论。
Snow, sand and sea foam reflect ultraviolet light, the report notes, and thinning ozone filters out less and less of it.
报告指出，雪、沙子和海洋的泡沫会反射紫外光；越来越波的臭氧层可以过滤掉的紫外光越来越少。
The paper compares the laser light strip geometric center extraction process method and the skeleton method, and adopts the skeleton method whose thinning precision is much higher.
本文通过对比激光几何中心提取法及骨架法，使用了细化精度更好的骨架法。
The paper compares the laser light strip geometric center extraction process method and the skeleton method, and adopts the skeleton method whose thinning precision is much higher.
本文通过对比激光几何中心提取法及骨架法，使用了细化精度更好的骨架法。
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