vision intermediate-frequency
| transformer
| vision intermediate frequency | |
| tech. | 图像中频 |
| transformer | |
| avia. | 纠正仪耦合放大器; 互 感器 |
| dril. | 转换器 |
| geophys. | 变压 器 |
| hydroel.st. | 变换器; 变量器; 互感器 |
| hydroel.st. од. | 变压器 |
| radio.amat. | 变压器 |
| sport. | 变压器 |
| |||
| 图像中频 | |||
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vision intermediate-frequency : 4 phrases in 2 subjects |
| Air defense | 2 |
| Technology | 2 |