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- 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。
- This long, curved reflex tube is flow optimized to increase the woofer's low frequency extension and SPL capacity. 对长长的弧形反射导管进行了流线优化，提升了低音音箱的低频扩展效果和SPL功能。
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- Disturbances in the recirculating flow regime can produce related variations in the heat release rate in the primary mixing region. 回流区域内的扰动可使主要混合区内热量释放发生相应的变化。
- 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.
- Results show that the construction of the Fuling dock has a little influence on flood control and flow regime of the Fuling reach. 结果表明，修建涪陵港区码头对该河段的防洪及河势变化影响不大。
- Water flow regime and flow velocity behaviors in stepped spillways with aerated piers are studied via the model tests. 通过模型试验 ,研究了掺气分流墩台阶式溢洪道的水流流态和流速特性。
- 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。
- Compaction driven flow basins are believed as existing typical centrifugal flow regime of underground water. 压实流盆地被认为是具有离心流模式的地下水流系统。
- Flow regime and head loss of two different tailrace systems in hydropower station were investigated. 对两种不同的尾水系统布置方式进行了流态和水头损失的对比分析。
- 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
- Results show that, in the turbulent flow regime, the introduction of outer agitator leads to the slight change of the velocity fields. 结果表明：在湍流域内，外桨搅拌行为的介入使得搅拌设备内流场的局部细节发生变化，但宏观流场结构不变。
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- Understanding the characteristics of riverine ecosystem and flow regime is the primary condition for good management of rivers. 摘要对河流生态系统特征及流量变化的生态效应的认知，是进行河流有效管理的前提。
- 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。
- A physical model of the flow regime transition from bubbling to turbulent fluidization was proposed on the basis of mechanismic experiments. 以机理实验为依据,提出了一个描述气-固流化床中从鼓泡流态化向湍动流态化流型转变的物理模型。
- 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。
- The flow regime transitions of hydrodynamic cavitation were studied experimentally,which shows that the structure, strength and e... 实验考察了水力空化的演变过程,说明了空化区的结构、强度及作用效果,是开发水力空化强化化工过程的关键。
- 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。
