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多年前,曾教授曾为本刊撰写过多篇文章,深受读者好评。今年,本刊将从曾教授与读者的来信互动中挑选比较有代表性的问题,在本专栏发表。
Many years ago, Professor Zeng had written many articles for this magazine, praised by readers. This year, we will select more representative questions from the correspondence between professors and readers in this column.