 |
| |||
| 偶数阶; 偶次的 | |||
|
even-order : 10 a las frases, 8 temas |
| Agricultura | 1 |
| Defensa aérea | 1 |
| Ferrocarril | 1 |
| Industria textil | 1 |
| Maquinaria electrica | 1 |
| Metalurgia | 2 |
| Petróleo | 1 |
| Tecnología | 2 |
|
| |||
| 偶数阶; 偶次的 | |||
|
even-order : 10 a las frases, 8 temas |
| Agricultura | 1 |
| Defensa aérea | 1 |
| Ferrocarril | 1 |
| Industria textil | 1 |
| Maquinaria electrica | 1 |
| Metalurgia | 2 |
| Petróleo | 1 |
| Tecnología | 2 |