| 标记距离L (cm) | 测量距离X (cm) | 实际距离Y (cm) |
| 3.04 | 0.9 | 0.1 |
| 3.05 | 0.81 | 0.09 |
| 1.72 | 0.51 | 0.5667 |
| 1.58 | 0.48 | 0.5333 |
| 0.81 | 0.3 | 0.2556 |
| 1.65 | 0.51 | 0.0567 |
| 2.23 | 0.66 | 0.0733 |
| 2.21 | 0.65 | 0.0722 |
| 2.71 | 0.83 | 0.0922 |
| 1.89 | 0.56 | 0.0622 |
| 1.92 | 0.53 | 0.0589 |
| 2.88 | 0.87 | 0.0967 |
| 0.46 | 0.132 | 0.0147 |
| 2.53 | 0.75 | 0.0833 |
| 1.84 | 0.55 | 0.0617 |