| |||
| 三个角的 | |||
|
three angles : 10 phrases in 7 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| Chess | 1 |
| Information technology | 1 |
| Scientific | 1 |
| Space | 1 |
| Technology | 4 |
| |||
| 三个角的 | |||
|
three angles : 10 phrases in 7 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| Chess | 1 |
| Information technology | 1 |
| Scientific | 1 |
| Space | 1 |
| Technology | 4 |