| generally | 6 | degree |
| in one embodiment | 2 | other |
| with high efficiency | 2 | other |
| invention → relate to → needle | 5 |
| invention → relate to → a needle assembly | 4 |
| negative | neutral | positive |
| 0.048 | 0.841 | 0.111 |
| Raw frequency | 9 |
| Normalized frequency | 0.145 |
| Modifier score | 0.500 |
| Perplexity | 156.953 |