 |
| |||
| expanding; expansion | |||
| expansion in series; series development | |||
| 展成级数: 6 phrases in 4 subjects |
| Construction | 1 |
| Electric machinery | 1 |
| Mathematics | 1 |
| Technology | 3 |
|
| |||
| expanding; expansion | |||
| expansion in series; series development | |||
| 展成级数: 6 phrases in 4 subjects |
| Construction | 1 |
| Electric machinery | 1 |
| Mathematics | 1 |
| Technology | 3 |