- regional differentiation
- regional discretization method
- regional disparity
- regional distribution mechanism
- regional distribution of cancer
- regional distribution of hydrologic statistic parameters
- regional distribution technology
- regional divergence
- regional division of villages and small towns in China
- regional division theory
- regional dynamic planning
- regional eco-compensation
- regional ecological assessment
- regional ecological carrying capacity
- regional ecological critical zones
- regional ecological effect
- regional ecological evolution
- regional ecological function
- regional ecological integrity
- regional ecological process
- regional ecological regulation
- regional ecological risk
- regional ecological security
- regional ecological sensitivity
- regional ecological vulnerability