| |||
| 线性扫描 | |||
| 直线扫描 | |||
|
linear sweep : 27 phrases in 7 subjects |
| Agriculture | 1 |
| Air defense | 3 |
| Aviation | 2 |
| Chemistry | 11 |
| Electronics | 1 |
| Space | 1 |
| Technology | 8 |
| |||
| 线性扫描 | |||
| 直线扫描 | |||
|
linear sweep : 27 phrases in 7 subjects |
| Agriculture | 1 |
| Air defense | 3 |
| Aviation | 2 |
| Chemistry | 11 |
| Electronics | 1 |
| Space | 1 |
| Technology | 8 |