| 实际距离/cm | 15.00 | 16.00 | 17.00 | 18.00 | 19.00 | 20.00 | 21.00 | 22.00 | 23.00 | 24.00 | 25.00 |
| 测量距离/cm | 15.38 | 16.47 | 17.28 | 18.18 | 19.17 | 20.00 | 21.05 | 22.04 | 22.95 | 23.93 | 24.77 |