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- low frequency performance 低频特性
- 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。
- 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。
- High attenuation to low frequency,excellent performance of common mode and differential mode interference suppression. 极佳的低频段衰减特性,具有良好的共模和差模干扰抑制性能。
- The performance of Low Frequency and Clearness are better when giving the Erhu skin soaking treatment. 琴皮施以浸泡处理时，其浑厚度（低频）与纯净度之表现均较佳；
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- High attenuation to low frequency,excellent perform ance of common mode and differential mode interfere nce suppression. 极佳的低频段衰减特性，具有良好的共模和差模干扰抑制性能。
- 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.
- Helmholtz resonator has a good noise eliminating performance at low frequency.So it has been widely used on low frequency noise reduction. 摘要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。
- The frequency performance of the communication device can be calibrated with GPS frequency comparator. 摘要应用GPS技术研制频标比对系统可对野外环境条件下的通信设备快速地进行时间频率校准。
- 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。
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- 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
- 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。
- 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。
- Purpose:Low frequency power amplifier,medium speed switching applications . 用途:用于低频功率放大及中速开关。
- PSS has been proved to be the most economical and effective equipment for damping low frequency oscillation, which can perform well to both the local mode and the inter-area one. PSS 已被证明是阻尼低频振荡的最有效、经济的装置，对本地振荡模式和区域间振荡模式均有很好的效果；
- 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。）
- Very little effort has been devoted to the experimental measurement of low frequency combustion response. 在低频燃烧响应的试验测定方面只做了很少的工作。
