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采用ELISA、EM和生物侵染实验 ,对世博会监管的植物样品进行了病毒种类的调查与鉴定。初步弄清了世博会植物病毒种类和分布发生情况
Using ELISA, EM and biological invasion experiments, the plant samples supervised by the Expo were investigated for virus types and identified. Preliminary clarify the Expo plant species and distribution of plant diseases