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苗木市场参差不齐,众专家怎么看?为此,记者采访了北京林业大学教授宋廷茂和中国林科院研究员连友钦,且听他们怎么说
Therefore, the reporter interviewed Professor Song Tingmao from Beijing Forestry University and researcher Lian Youqin from Chinese Academy of Forestry, and listened to what they said