| 测量序号 | 实验室长度(m) | 误差(%) | 实验室宽度(m) | 误差(%) |
| 1 | 12.320 | 0.725 | 6.914 | 0.494 |
| 2 | 12.340 | 0.564 | 6.890 | 0.145 |
| 3 | 12.360 | 0.403 | 6.733 | 2.137 |
| 4 | 12.126 | 2.288 | 6.773 | 1.555 |
| 5 | 12.261 | 1.201 | 6.973 | 1.352 |
| 真实值 | 12.410 | - | 6.880 | - |
| 平均值 | 12.281 | 1.039 | 6.857 | 0.334 |