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这表明未成熟叶片的光合产物是向上运输到顶端的。
This suggests that photosynthates from immature leaves are transported mainly to the top of the seedlings.
研究了水稻成熟叶片和稻壳中硅体的物相、自发荧光、红外和紫外吸收特性。
Silica bodies were isolated from the leaf and the husk of the rice.
白兰花被片与成熟叶片的解剖结构存在差异，表明花被片与叶片香气释放机理不一致。
Difference between the perianth and mature leaf in anatomic structure indicated they had different aroma emission mechanisms.
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