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不久前,山东省烟台市农科院植保所研究员王英姿老师来到蒙山脚下传授苹果树种植管理技术,一进果园,王老师立马就发现了问题。
Not long ago, Wang Yingzi, a researcher at the Plant Protection Institute of Yantai Academy of Agricultural Sciences in Shandong Province, came to the foot of Mengshan to teach apple tree planting and management techniques. When he entered the orchard, Teacher Wang immediately discovered the problem.