项目 | Na+ + K+ | Ca2+ | Mg2+ | Cl− | SO2− 4 | HCO− 3 | 特征值 | 方差解释率 |
因子1 | 0.966 | 0.003 | 0.036 | 0.927 | 0.731 | 0.005 | 2.33 | 38.80% |
因子2 | −0.177 | 0.734 | 0.704 | −0.044 | 0.342 | −0.651 | 1.61 | 26.80% |