| |||
| 指示长度 | |||
|
indicator length : 20 phrases in 7 subjects |
| Business | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Metallurgy | 2 |
| Technology | 7 |
| Telecommunications | 4 |
| Textile industry | 1 |
| |||
| 指示长度 | |||
|
indicator length : 20 phrases in 7 subjects |
| Business | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Metallurgy | 2 |
| Technology | 7 |
| Telecommunications | 4 |
| Textile industry | 1 |