 |
| |||
| 并联-串联交换器 | |||
| 串并变换器 | |||
| 并串转换器 | |||
| parallel-serial converter: 29 phrases in 12 subjects |
| Air defense | 2 |
| Automatic control | 2 |
| Earth sciences | 2 |
| Electric machinery | 1 |
| Electricity | 2 |
| Electronics | 4 |
| General | 2 |
| Mathematics | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 8 |
| Telecommunications | 3 |