总结出影响植物景观三维空间结构的主要因素：位置、景观重心和空间感。
The main element, location, centre of landscape and sense of space which affects three-dimention structure are concluded.
本文简要介绍了地物二向性反射的概念及其与地物三维空间结构之间的关系。
This paper briefly introduces the concept of bidirectional reflectance and its relation to 3-d spatial structure of ground objects.
利用度量矩阵距离几何法计算了其三维空间结构，并进行了结构的优化。
Twelve structures with lower energy was obtained via metric matrix distance geometry and refinement with simulated annealing.
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