该书是丁文江先生1930年在大方收集的第一部彝文文献。
The book is the first one in old Yi language among the works collected by Ding Wenjiang in Dafang area in 1930.
丁文江等人以科学中的实验等方法为根据，一方面极力论证科学知识的合法性；
They argued the validity of the scientific knowledge on the basis of the scientific experiment;
丁文江等人以科学中的实验等方法为根据，一方面极力论证科学知识的合法性；
They argued the validity of the scientific knowledge on the basis of the scientific experiment;
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