超氧物歧化酶（SOD）同工酶鉴定结果表明，在D_2变异株中存在着供体的谱带。
The result of SOD isozyme analysis showed there were two bands of donor in D2 variant.
聚丙烯酰胺凝胶电泳显示，两个抗性种群都有一条特异性酶带，其迁移率相近，且均可被甲基对氧磷抑制。
It was found on the PAGE profiles that the 2 resistant populations possessed a special band and the immigration rate of this band was similar.
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