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| English | Chinese |
| extra-low frequency | 极低频 |
| low and medium frequency | 低中频〔的〕 |
| low cost module | 廉价微型组件 |
| low-frequency choke | 低频扼流圈抗流圈 |
| low level current mode logic | 低电平电流型逻辑〔电路〕 (circuit) |
| lowest useful high frequency | 最低可用频率高频 |
| very-low frequencies | 甚低频 VLF (3 千赫 ~ 30 千赫) |