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Spatial coefficients of decline of intra-city mobility intensity (dIMI) ((a) for the PM2.5 model and (b) for the PM10 model), decline rates of the secondary industrial output values (drSIOV); ((c) for the PM2.5 model and (d) for the PM10 model) and dHUM; ((e) for the PM2.5 model and (f) for the PM10 model).
