求翻译：摘要：采用显微形态观察和聚丙烯酰胺凝胶电泳对20个金顶侧耳菌株的菌丝形态及酯酶同工酶进行了研究。结果表明：20个菌株酯酶同工酶共检测出14条酶带，迁移率分别为0.13、0.55、0.66的三条酶带为金顶侧耳标记酶带。通过聚类分析在相似水平为72%时被分成2大类，第Ι类群包括菌株编号1、2、9、11、15、18、19、20；∏类包括菌株编号3、4、5、6、7、8、10、12、13、14、16、17。金顶侧耳菌株间的遗传多样性丰富，酯酶同工酶技术可作为分类鉴定的有效方法。是什么意思？

Abstract: The morphology and micro-polyacrylamide gel electrophoresis of 20 strains of Pleurotus citrinopileatus mycelium morphology and esterase isozymes were studied. The results showed that: 20 strains of esterase isozymes were detected with 14 enzymes, migration rates were 0.13,0.55,0.66 enzyme

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Summary: microscopic observation and polyacrylamide gel electrophoresis on 20 of strains of Pleurotus citrinopileatus mycelium morphology and conducted a study on esterase isozyme. The results show that the 20 esterase isozymes in strains were detected with 14 enzymes, mobility, 0.13, 0.66 respectiv