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The experimental results of gateroads surface roughens.
| Level of Roughness | The Number of Data Loss | Total Number of Lost Data | Percentage of Data Loss (%) | ||
|---|---|---|---|---|---|
| First Measurement | Second Measurement | Third Measurement | |||
| Smooth surface | 97 | 105 | 97 | 299 | 38.93 |
| Rough surface | 7 | 4 | 8 | 19 | 2.47 |
