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本文分析了苏教版、人教版“渗透作用”演示实验的异同,结合自己的实际实验操作,提出了操作中的不足,并进行了改进操作,使课堂演示更加高效。
This article analyzes the similarities and differences between the Sujiao version and the PEP version “infiltration effect ”, and puts forward the deficiencies in the operation with the actual experiment operation, and improves the operation so as to make the class presentation more efficient.