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- low frequency light modulation 低频光调制
- Peak indicator light and LF (low frequency) switch per mono channel. 每路单声信道具有峰值指示灯及低频切除开关。
- We tell low from high frequency light waves by the sensation of colour they produce. 通过测量光所产生的颜色，我们能辨别也低频光波和高频光波。
- We can tell low from high frequency light waves by the sensation of colour they produce. 通过测量光所产生的颜色，我们能辨别也低频光波和高频光波。
- 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。
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- 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.
- Conclusions Xenon light low frequency current has both efficacies of deeply thermal break-through and low frequency curent curative effect.It has exactly ... 结论氙光低周波具有光波深层透热与低频电疗两种功能,对膝骨性关节炎有确定的治疗效果。
- The technique of electromagnetic waves in SLF (Super Low Frequency) frequency band can be investigated in the light of geophysical theory combined with radio-physical theory. 超低频 (SLF)电磁波技术利用地球物理和无线电物理相结合的原理 ,由人工产生大功率电磁波信号。
- Some people living near wind farms complain they are kept awake by a phenomenon known as aerodynamic modulation(AM), low frequency noise made as the blades swoosh through the night air. 有些住在风力发电厂附近的人抱怨，他们因为一种称为空气动力调变的现象，即轮叶的飕飕声划过夜空，产生低频噪音，以致无法入眠。
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- Liquid Crystal Spatial Light Modulator Based on BSO[J]. 引用该论文 Shi Tao;Huang Ziqiang;Zhang Cuiyu.
- If it is a low frequency sound, it is processed as an analog signal. 对低频声进行传统的处理。
- The direction of the low frequency current with maximum frequency was also WSW. 低频流出现频率最多的方向和潮流基本一致。
- Medium SMES (200 MVA) are able to compensate some low frequency disturbance. 中型SMES(200MVA),这类SMES能补偿某些低频度的扰动
- Helmholtz resonator has a good noise eliminating performance at low frequency. 亥姆赫兹共振腔具有良好的低频消声性能,被广泛地应用于低频消声方面。
- Armstrong was forced to use avery low frequency barely above audibility. 当时这样的频率被认为是“高频”，但只不过是现在所用调幅波段的底部而已。
- Purpose:Low frequency power amplifier,medium speed switching applications . 用途:用于低频功率放大及中速开关。
- Note: Close woundcoils will resonate at a slightly lower frequency. （注：密绕的线圈将会谐振在稍低的频率。）
