| |||
| 双偶效应; 四素组效应 | |||
|
double- double effect : 39 phrases in 13 subjects |
| Chemistry | 3 |
| Electronics | 10 |
| Energy industry | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Leather | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Polymers | 1 |
| Refrigeration | 4 |
| Technology | 11 |
| Textile industry | 3 |