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单词 very low frequency
释义
very low frequency
  • 简明释义
  • 特低频率;特低频;超长波
  • 网络释义
  • 1

    ?极低频

    温度对心率和心率变异的影响 心率变异受诸多外周和中枢因素的影响,体温及环境温度的变化影响着心血管活动的调节,是HRV的重要起因.极低频very low frequencies,VLF)功率受温度刺激(如低体温和体温调节活动)的调制,皮肤降温不会特异的影响此频带,表明功率谱中特别频带的

  • 2

    ?甚低频

    甚低频(Very Low Frequencies) 甚低频(VLF)是3kHz到30kHz范围内的信号。它包括人类听觉范围的高端。

短语
  • 双语例句
  • 1
    In large interconnected power system, there have been spontaneous system oscillations at very low frequencies.
    在大型电力系统中存在有自生的甚低频系统振荡。
  • 2
    At very low frequencies, the contribution from the vector potential to the impedance matrix is much smaller than the contribution from the scalar potential.
    当频率很低时,阻抗矩阵中矢量磁位的贡献比标量电位的贡献小得多。
  • 3
    Related to the loss of enclosure damping, ported and dual-reflex bandpass designs also exhibit higher distortion levels at very low frequencies than sealed or single-reflex bandpass designs.
    从箱体阻尼损失来看,导向孔和双反射带通箱设计在极低频下比密封箱和单反射式带通箱设计有着更大的失真。
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更新时间:2025/4/3 22:07:42