您要查找的是不是:
- extremely low frequency propagation 极低频传播
- Observation and study on phase of very low frequency propagation over polar area 甚低频横跨极区传播相位的观测与研究
- low frequency propagation 低频电波传播
- 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。
- Tissue Culture and High Frequency Propagation of Opuntia milpa alta Haw. 食用仙人掌的离体培养及其快速繁殖
- Using the Normal Model Theory and Wavenumber Integration Method, a low frequency acoustic wave propagation model in shallow sea of multi-layered media is constituted. 应用简正波理论并结合波数积分法,建立了浅海低频声传播特性的仿真数学模型。
- 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.
- 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。
- Zhong W T,Jiang M L,Liu S X,et al.Tissue culture and high frequency propagation of opuntia milpa alta haw[J].Acta Horticulturae Sinica,2001,28(4):327-330. [4]钟文田;姜明兰;刘少霞;等.;食用仙人掌的离体培养及快速繁殖[J]
- 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
- 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。
- 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。
- 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。)
- sky wave propagation for low frequency 低频天波传播
- 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。