 |
| 恒: 27 phrases in 10 subjects |
| Accumulators | 6 |
| Cables and cable production | 2 |
| Electronics | 6 |
| Environment | 1 |
| General | 1 |
| Mathematics | 6 |
| Piezoelectric crystals | 1 |
| Statistics | 2 |
| Thermal Energy | 1 |
| Water resources | 1 |
|
| 恒: 27 phrases in 10 subjects |
| Accumulators | 6 |
| Cables and cable production | 2 |
| Electronics | 6 |
| Environment | 1 |
| General | 1 |
| Mathematics | 6 |
| Piezoelectric crystals | 1 |
| Statistics | 2 |
| Thermal Energy | 1 |
| Water resources | 1 |