| including alloy | 8 | other |
| with the optoelectroinc device | 3 | other |
| preferably | 2 | degree |
| base → be made of → ceramic | 12 |
| base → be → ceramic | 9 |
| negative | neutral | positive |
| 0.042 | 0.871 | 0.087 |
| Raw frequency | 21 |
| Normalized frequency | 0.451 |
| Modifier score | 0.800 |
| Perplexity | 327.595 |