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| 再 循 环: 215 phrases in 22 subjects |
| Automobiles | 1 |
| Chemistry | 3 |
| Construction | 2 |
| Ecology | 2 |
| Electronics | 60 |
| Environment | 2 |
| Forestry | 1 |
| General | 94 |
| Information technology | 2 |
| Labor organization | 1 |
| Medical | 2 |
| Metallurgy | 1 |
| Military | 1 |
| Mining | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 2 |
| Refrigeration | 2 |
| Shipbuilding | 1 |
| Technology | 27 |
| Thermal engineering | 5 |
| Thermodynamics | 1 |
| United Nations | 3 |