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一、阳光:是中草药通过光合作用制造有机物质所必须的能源。光照时间的长短,直接影响中草药的发育;光照的强度可影响光合作用的速度和植物体内有机物质的增长。阳光
First, the sun: Chinese herbal medicine through the photosynthesis of organic matter necessary energy. The length of light time directly affects the development of Chinese herbal medicine; the intensity of light can affect the speed of photosynthesis and the growth of organic matter in plants. sunlight