| 采样点序号 | 小于0.2mS/cm | 0.2~0.4 mS/cm | 0.4~0.6 mS/cm | 0.6~0.8 mS/cm | 大于0.8 mS/cm | 
| 1 | 0 | 0 | 1 | 0 | 0 | 
| 2 | 0 | 1 | 0 | 0 | 0 | 
| 3 | 0 | 0 | 1 | 0 | 0 | 
| … | … | … | … | … | … | 
| 120 | 0 | 0 | 0 | 0 | 0 | 
| 121 | 1 | 0 | 0 | 0 | 0 |