 |
| |||
| ★ 有损压缩 | |||
|
loss compression : 6 phrases in 4 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Bridge construction | 2 |
| Textile industry | 1 |
|
| |||
| ★ 有损压缩 | |||
|
loss compression : 6 phrases in 4 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Bridge construction | 2 |
| Textile industry | 1 |