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Par Collection Par Auteur- CHEN, Hang (1)
- LI, Wen-yan (1)
- 1983 (1)
- and southwestern China are much more abundant in energy than the rest of the country. Six first-order and 13 second-order energy-economic regions are demarcated, the latter sub-divided under urban and rural categories. Rational deployment of energy resources within
- 1983