| |||
| 脉冲法 | |||
|
impulse method : 15 phrases in 7 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Animal husbandry | 1 |
| Automobiles | 1 |
| Engineering geology | 1 |
| Metallurgy | 1 |
| Technology | 9 |
| |||
| 脉冲法 | |||
|
impulse method : 15 phrases in 7 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Animal husbandry | 1 |
| Automobiles | 1 |
| Engineering geology | 1 |
| Metallurgy | 1 |
| Technology | 9 |