China's fourth national census, to be completed in four or five years, will begin on July 1, 1990, and more than 6 million people will be mobilized to take part in the work.At a December 8...
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China's fourth national census, to be completed in four or five years, will begin on July 1, 1990, and more than 6 million people will be mobilized to take part in the work.At a December 8...