nominal frequency
| range
| nominal frequency | |
| auto. | 公称频率 |
| mil., air.def. | 标称 频率 |
| piez. | 标称频率 |
| range | |
| gen. | 一系列; 行; 排 |
| el. meas.inst. | 标称范围 |
| forestr. | 区域; 幅距 |
| forestr. од. | 全距 |
| sport. | 变化，变动 |
| |||
| 公称频率 | |||
| 标称额定频率 | |||
| 标称频率 | |||
| 额定频率 | |||
|
nominal frequency : 8 phrases in 4 subjects |
| Otorhinolaryngology | 1 |
| Space | 2 |
| Technology | 4 |
| Thermal Energy | 1 |