20世纪60-70年代湖南三线建设述评马克思主义经济学肇始于19世纪40年代，成熟于60年代至70年代。
Hunan " Three Lines " Construction review from the 1960s to the 1970s The Marxist economics had its inchoation in the 1840s and reached maturity in the 60s and 70s .
湖南线