点击下载:深圳大学:《植物生理学 Plant Physiology》课程教学资源(PPT课件)Chapter06 植物体内有机物的转化和运输 Organics transport
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sieve plate pore of sieve plate sieve tube member companion cell companion cell pore of sieve plate Figure 19.6 Mature sieve tube member and adjacent companion cell. The inset shows one type of sieve plate
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点击下载:深圳大学:《植物生理学 Plant Physiology》课程教学资源(PPT课件)Chapter06 植物体内有机物的转化和运输 Organics transport
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