| |||
| ★ 单位阶跃信号 | |||
|
unit-step : 25 phrases in 9 subjects |
| Automatic control | 3 |
| Electric machinery | 2 |
| Electronics | 3 |
| General | 1 |
| Mathematics | 4 |
| Metallurgy | 1 |
| Project management | 1 |
| Space | 3 |
| Technology | 7 |
| |||
| ★ 单位阶跃信号 | |||
|
unit-step : 25 phrases in 9 subjects |
| Automatic control | 3 |
| Electric machinery | 2 |
| Electronics | 3 |
| General | 1 |
| Mathematics | 4 |
| Metallurgy | 1 |
| Project management | 1 |
| Space | 3 |
| Technology | 7 |