 |
| 凹: 39 phrases in 16 subjects |
| Agriculture | 2 |
| Chemical fibers | 1 |
| Entomology | 3 |
| Environment | 2 |
| Fish farming pisciculture | 1 |
| Fishery fishing industry | 2 |
| Ichthyology | 12 |
| Mathematics | 1 |
| Piezoelectric crystals | 1 |
| Statistics | 1 |
| Technology | 1 |
| Veterinary medicine | 1 |
| Water resources | 1 |
| Wood processing | 5 |
| Work flow | 4 |
| Zoology | 1 |