 |
| |||
| 定时显影 | |||
|
time-development : 26 phrases in 10 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Information technology | 2 |
| Mathematics | 1 |
| Metallurgy | 4 |
| Space | 1 |
| Technology | 12 |
| Telecommunications | 1 |
|
| |||
| 定时显影 | |||
|
time-development : 26 phrases in 10 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Information technology | 2 |
| Mathematics | 1 |
| Metallurgy | 4 |
| Space | 1 |
| Technology | 12 |
| Telecommunications | 1 |