In audio, a very low frequency oscillation often resulting from a positive feedback path in an amplifier system.
在音响设备中出现的振荡频率极低的低频振荡，常因放大系统的正反馈回路引起。
This paper briefly discusses the very low frequency (VLF) electromagnetic technique and takes Shancheng gold mine for example.
简要叙述了甚低频电磁法的方法技术，并以山城金矿为例。
The very low frequency electromagnetic method (VLF-EM) has such advantages as portable instrument, simple method, economical and high efficiency.
甚低频电磁法(VLF - EM)，具有仪器轻便、方法简单、经济高效等优点。
When some alleles have very low frequency in the gene frequency matrix, there would be "horse-shoe effect" in the Scallergram of correspondent analysis.
当基因频率矩阵中存在稀有基因时，其对应分析的散点图则呈现明显的“蹄型效应”。
This breed is also known for his ability to foretell storms and avalanches, perhaps because he may hear very low frequency sounds that are beyond our ability to hear.
这个品种有能力预测风暴和雪崩，可能是因它们能听见非常低的频率，甚至低于我们能力所能听到的。
SH lighting is very low frequency. You can't have sharp lighting transitions with SH lights. They are also only affecting the diffuse lighting (too low frequency for specular highlights).
球面调和光只有很低的频率。球面调和光不能产生锋利的照明过渡。它们也只会影响散射光照（对高光来说，球面调和光的频率太低了）。
A loading scheme is proposed for the mobile Very-Low-Frequency antenna, and loading parameters are optimized.
提出一种加载机动甚低频天线的方式，对加载参数进行了优化。
Cloge detection system of pigging and extrusion tools is adopting very-low-frequency radiowave emission and reception.
清管及挤涂工具的阻卡探测系统是采用甚低频无线电波发射、接收。
Cloge detection system of pigging and extrusion tools is adopting very-low-frequency radiowave emission and reception.
清管及挤涂工具的阻卡探测系统是采用甚低频无线电波发射、接收。
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