“I212/217”类复分需不需要加“0”——兼与冯康、张瑞莲同志商榷

Whether Adding “0” is Needed When Subdividing the Class “I212/217”——Discussing with Mr.Feng Kong and Zhang Ruilian

文章认为冯康、张瑞莲同志主张在“I2 12 / 2 17”类目复分时上位类时代号后加“0”的观点是错误的。文章对此进行了分析、论述 ,并指出正确的复分方法。

Mr.Feng Kong and Zhang Ruilian believe:when subdividing the class “I212/217” adding “0” is needed after the super-ordinate number of times.The author thinks this view is mistaken.In this essay analysis and exposition are given and the proper subdivision in pointed out.