 |
| |||
| primary ionization | |||
| 原电离: 17 phrases in 10 subjects |
| Chemistry | 2 |
| Earth sciences | 1 |
| Ecology | 1 |
| Electronics | 1 |
| General | 1 |
| Geology | 1 |
| Metallurgy | 3 |
| Technology | 5 |
| Telecommunications | 1 |
| Water resources | 1 |
|
| |||
| primary ionization | |||
| 原电离: 17 phrases in 10 subjects |
| Chemistry | 2 |
| Earth sciences | 1 |
| Ecology | 1 |
| Electronics | 1 |
| General | 1 |
| Geology | 1 |
| Metallurgy | 3 |
| Technology | 5 |
| Telecommunications | 1 |
| Water resources | 1 |