| 1. | The synchronized low-frequency rectifier is similar to a push-pull rectifier .
同步低频整流器与推挽整流器相似。 |
| 2. | For low-frequency currents(up to about 15, 000 cycles per second)an iron core, called a magnetic circuit; is placed .
对于低频率电流（约15，000周秒以内），置有一个叫作磁路的铁心。 |
| 3. | Study of low - frequency noise induced by marine propeller
船舶螺旋桨低频噪声研究 |
| 4. | Computation and analysis of low - frequency compact range
紧缩场低频性能的计算与分析 |
| 5. | Defending technical specification for low - frequency electrical outlet
低频插头座防护工艺规范 |
| 6. | Study on nb sphere ac losses under low - frequency weak field
低频弱场下超导铌球交流损耗的分析 |
| 7. | Its known that sharks are attracted to low - frequency sounds
我们知道鲨鱼被低周波的声音所吸引。 |
| 8. | Low - frequency spectrometer analyzer with varied parameter filters
参数可调滤波器的低频频谱分析仪 |
| 9. | Standard colours for insulation for low - frequency cables and wires
低频电缆和电线用绝缘的标准颜色 |
| 10. | Low - frequency wi - fi scans and clones
低频局域网扫描复制装置 |
