By April 1989,the total population inChina had been up to 1,100 millions.Underthe circumstances of such a heavypoputation,backward economy,and eco-nomic and social differences from one re-gion to another,how to solve the
文摘By April 1989,the total population inChina had been up to 1,100 millions.Underthe circumstances of such a heavypoputation,backward economy,and eco-nomic and social differences from one re-gion to another,how to solve the