双语例句原声例句
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Cells of perisperm contain mainly lipids, a small amount of protein granulars but no starch grain.
外胚乳细胞主要含许多脂类物质及少量蛋白质颗粒，不含淀粉。
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PAS chroma analysis: in the course of development, the starch grain in the nectar cell exhibit a regular change.
PAS染色反应表明：蜜腺细胞中的淀粉粒，在发育过程中呈现出一定消长规律变化。
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The changes of water content and the starch grain in the leaves of evergreen broad leaf plants in Beijing open gardens were investigated.
该文研究了北京露地园林中常绿阔叶植物在越冬期间叶组织水分及淀粉粒的动态变化 。
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