Tree crown form and canopy structure of the tussah-feeding oak forest are important influencing the photo-productivity of the stands.
柞蚕场的树冠类型和冠层结构是影响蚕场光合生产力的主要因素之一。
Graceful "tree canopy" grows from the reinforced concrete structure.
从混凝土结构上生长的优美“树冠”。
Graceful "tree canopy" grows from the reinforced concrete structure.
从混凝土结构上生长的优美“树冠”。
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