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。

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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。

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This is a brief report of author's research results about the characteristic of yield components combination, plant type and canopy structure.

本文为作者对小麦超高产基因型产量因素结构、株型和冠层结构特征的系统研究结果的简要报告。

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Greenwich Hospital Estates, which has owned the market since 1849, plans to build a 104-room hotel, provide office space and replace the market's canopy with a glass roof, but keep the original structure.

BBC: Demo against Greenwich Market redevelopment