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Systematic Principle: The evaluation index system should comprehensively consider various factors such as water resources, socio-economic aspects, and the ecological environment, forming a systematic evaluation framework to ensure mutual interactions and coordination among these factors [19]. Scientific Princip...
The closer CCD gets to 1, the higher the degree of harmony and mutual support between the two subsystems; otherwise, they would be difficult to adapt to each other. The CCD values are divided into six levels by referencing the previous studies [23,24]. The coupling state is defined as ...