| 序号 | 微略语 | 全称 | 解释 |
|---|---|---|---|
| 1 | LEXMARK | LEXMARK | 利盟〖厂标〗见：LII |
| 2 | LF | LowFrequency | 低频（30—300kHz） |
| 3 | LF | LoadFactor | 负载系数，载荷因数 |
| 4 | LF | LineFeed | 换行，移行 |
| 5 | LF | LineFrame | 线路架 |
| 6 | LF | LineFilter | 线路滤波器 |
| 7 | LF | LineFinder | 寻线机〖电传〗 |
| 8 | LF | LeastusedFlushing | 最不常用的冲洗 |
| 9 | LFA | Low–FrequencyAmplifier | 低频放大器 |
| 10 | LFA | LossofFrameAlignment | 帧校准损耗 |
| 11 | LFAP | LightweightFlowAdmissionProtocol | 轻便流程准入协议 |
| 12 | LFAR | LastFrameAddressRegister | 末尾帧地址寄存器 |
| 13 | LFB | LocalFeedBack | 本机反馈，局部反馈 |
| 14 | LFB | LowFrequencyBeacon | 低频信标 |
| 15 | LFC | LowFrequencyCurrent | 低频电流 |
| 16 | LFC | LowFrequencyCorrection | 低频校正 |
| 17 | LFC | LocalFunctionalCapabilities | 局部功能 |
| 18 | LFC | LocalFormsControl | 局部形式控制 |
| 19 | LFC | LogicFlowChat | 逻辑流程图 |
| 20 | LFC | LineFlagCondition | 线路标志条件 |
