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- Low Frequency Omni Directional Radio Range 低频全向无线电信标
- Ground-based radio-navigation systems use relatively low frequencies of the radio spectrum to achieve a large radio range and avoid undefined skywave (ionospheric) propagation at the same time. 陆基无线电导航系统使用相对低的频段的无线电波以获得较大的接收范围和避免空间传播方式（电离层反射）。
- LOFT (Low Frequency Radio Telescope) 低频射电望远镜
- propagation of low frequency radio wave 低频电波传播
- propagation of very low frequency radio wave 甚低频电波传播
- propagation of extremely low frequency radio wave 极低频电波传播
- Low Frequency Radio Signatures of Coronal Mass Ejections 日冕物质抛射的低频射电特征
- propagation of extremely low frequency ELF and voice frequency radio wave 极低频与音频电波传播
- propagation of extremely low frequency and voice frequency radio wave 极低频与音频电波传播
- low frequency radio astronomy 低频射电天文学
- In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply. 在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
- Radio systems operating in the UHF range more susceptible to atmospheric absorption, and multipath distortion and shadow effects than the radio system, a lower frequency. 然而, 收音机在这一范围的系统已经证明他们自己相当可靠而且从竞争较不倾向于冲突服务。
- A long range link,established with the high power Very Low Frequency (VLF) system,resists atmospheric nuclear effects and is very difficult to jam. 用高功率甚低频系统建成的一条远距离链路，可抵抗大气核爆炸效应，且敌人很难干扰。
- Turns are wide and easy going -- no issues there. Radio range is decent enough for use in a small park. 明显的,开关遥控对于能在小公园放飞的迷你飞机是合适的。
- III. The hearing aid earmold occlusion effect was significantly focused on the low frequency range below 400Hz. 配戴助听器耳模后的堵耳效应在400Hz以下的低频最为显著。
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- A cellular telephone system provides a wireless connection to the PSTN for any user location within the radio range of the system. 一个蜂窝电话系统可以为在该系统无线电收发范围内的任何用户提供一个到PSTN的无线电话连接。
- Laser direct writing of micro-OVD with low frequency templates[J]. 引用该论文 魏国军;周小红;周雷;陈林森.
- This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter. 这种高频交流电流产生前一章提到过的高频无线电波。
- However, the noise spectrum of the ash exhauster always centers at low frequency range. 排粉机噪声呈明显的低频特性。
