mains frequency
| indicator
| main frequency | |
| hydroel.st. | 主频 |
| tech. | 主要频率; 电源频率 |
| mains frequency | |
| IT | 工频; 电网频率 |
| pow.el. | 电源频率 |
| tech. | 工业频率 |
| telecom. | 市电频率 |
| therm.energ. | 工频 |
| indicator | |
| gen. | 指示者; 指示物 |
| environ. | 指标 |
| fishery | 指标 |
| met. | 指针; 标记; 指示 器; 计数 表; 千分表 |
| sport. од. | 指示器 |
| |||
| 工频; 电网频率 | |||
| 电源频率 | |||
| 工业频率 | |||
| 市电频率 | |||
| |||
| 主频 | |||
| 主要频率; 电源频率 | |||
| |||
| 工业频率; 电力网频率 | |||
| |||
| 工频 电热的 | |||
|
mains frequency : 17 phrases in 9 subjects |
| Air defense | 1 |
| Compressors | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Plastics | 1 |
| Shipbuilding | 2 |
| Technology | 8 |