...producer） 光合作用与基础生产 （ Photosynthesis and Primary Production ） 光线与光合作用（Radiation and Photosynthesis） ..
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They help block ultraviolet radiation, which can mutate plant DNA and damage the photosynthesis that allows a plant to make its food.
它们都可以帮助阻止紫外线辐射，从而防止植物受到紫外线的伤害DNA发生突变。
On this basis, this paper takes effective photosynthesis radiation, temperature and rainfall as climatic indexes, and analyzes their relations with pasture growth.
并在此基础上，以光合有效辐射、温度和降雨量作为气候指标，分析了它们与牧草长势之间的关系。
The results suggest that enhanced UV-C radiation decreased activities of the antioxidant enzymes and made membrane peroxidated, thus leading to weakened photosynthesis.
这说明UV-C辐射增强引起抗氧化酶活性降低，使膜脂过氧化，导致光合作用减弱。
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