 |
| |||
| photoelectric photometry | |||
| 光电测光 法: 30 phrases in 8 subjects |
| Earth sciences | 9 |
| Electronics | 5 |
| General | 1 |
| Geology | 3 |
| Oil processing plants | 1 |
| Space | 2 |
| Technology | 8 |
| Textile industry | 1 |
|
| |||
| photoelectric photometry | |||
| 光电测光 法: 30 phrases in 8 subjects |
| Earth sciences | 9 |
| Electronics | 5 |
| General | 1 |
| Geology | 3 |
| Oil processing plants | 1 |
| Space | 2 |
| Technology | 8 |
| Textile industry | 1 |