 |
| |||
| Variation f | |||
| 变动: 20 phrases in 7 subjects |
| Automatic control | 2 |
| Automobiles | 2 |
| Construction | 1 |
| Electric motors | 2 |
| Electricity generation | 1 |
| International Monetary Fund | 6 |
| Mathematics | 6 |
|
| |||
| Variation f | |||
| 变动: 20 phrases in 7 subjects |
| Automatic control | 2 |
| Automobiles | 2 |
| Construction | 1 |
| Electric motors | 2 |
| Electricity generation | 1 |
| International Monetary Fund | 6 |
| Mathematics | 6 |