Economic and Reasonable
Economic and Reasonable Well Spacing
soil analysis and fertilizer application
Agro-ecosystem and economic system
agro-forestry ecological and economic system
Agronomic and economic traits
and economic organization
Arbitration Rules of the China International Economic and Trade Arbitration Commission
beneficiation economic and technical indices
Boiler House Management and Economic Operation
Chongqing Economic and Technological Development Z
Chongqing Economic and Technological Development Zone
Comparative Economic and Social Systems
comprehensive ecological and economic benefits
comprehensive technology and economic evaluation
Control of overall volume and economic restructuring
cost and economic efficiency
cultivation of economic and managerial talents