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在所选定一系列组织的癌发生促动阶段 ,砷、二口恶英起着作用 ,而且二者之间作用具有奇特的对称性 :即砷能促进启动的癌细胞生长 ,二口恶英则可阻滞其发展。本文对此作用的对称性进行了探讨。
Arsenic and dioxin were found to play a role in the carcinogenesis of a selected group of tissues, and the effect was uniquely symmetrical: arsenic promoted the growth of started cancer cells, It can retard its development. This paper discusses the symmetry of this role.