单位 | 国家电网 | 华北区域 | 东北区域 | 华东区域 | 华中区域 | 西北区域 |
c0 | −0.0009281742 | 0.0001116694 | −0.0004132697 | 0.0025572496 | −0.0069822590 | 0.0026370627 |
c1 | 0.0084353677 | 0.0046612476 | 0.0037728128 | −0.0008239476 | 0.0289067835 | 0.0013996076 |
c2 | −0.0073688265 | −0.0039505198 | −0.0025196442 | −0.0002692337 | −0.0261709045 | −0.0011405106 |
c3 | 0.0026298025 | 0.0013613305 | 0.0007541855 | 0.0002191832 | 0.0098208324 | 0.0003092058 |
c4 | −0.0004167612 | −0.0002120731 | −0.0001077934 | −0.0000433071 | −0.0016262293 | −0.0000369451 |
c5 | 0.0000242219 | 0.0000122736 | 0.0000059324 | 0.0000027497 | 0.0000980836 | 0.0000015969 |
R2 | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 | 0.99 |