 |
| |||
| positive matrix | |||
| positive matrices | |||
| 正矩阵: 44 phrases in 13 subjects |
| Artificial intelligence | 3 |
| Aviation | 3 |
| Business | 5 |
| Cryptography | 1 |
| Earth sciences | 2 |
| Economy | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| General | 2 |
| Mathematics | 5 |
| Space | 2 |
| Technology | 17 |
| Video recording | 1 |