Research Article
Could the Construction of Sustainable Development Pilot Zones Improve the Urban Environment Efficiency in China?
| Types | Index name | Index code |
| Input | Wastewater discharge (10,000 tons) | (I)WW | Industrial sulfur dioxide emissions (tons) | (I)SO2 | Industrial smoke and dust emissions (tons) | (I)SW | Unutilized rate of general industrial solid wastes (%) | (I)DUST | Output | Output of the secondary industry (10,000 yuan) | (O)DUSTRY |
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