 |
| 四化: 152 phrases in 14 subjects |
| Chemistry | 25 |
| Education | 3 |
| Electronics | 7 |
| General | 54 |
| Geochemistry | 1 |
| International Monetary Fund | 1 |
| Mathematics | 1 |
| Medical | 6 |
| Microelectronics | 3 |
| Military | 2 |
| Oil / petroleum | 2 |
| Oil processing plants | 12 |
| Technology | 31 |
| United Nations | 4 |