单词VLF
abbr.: (=very low frequency)【无线】甚低频
网络: 甚低频(very low frequency)；极低频；超低频
very low frequency 【无线电】甚低频
Since it has proven indetectable by microphones or VLF antennae, its source and nature is still a mystery.
由于在麦克风和超低频的探测下都无法被侦测出来，所以它的来源仍然是个谜。
The company will also introduce a new series of : Avalon thermal plate setters in 8-up and VLF formats.
该公司还将推出一系列新的：阿瓦隆热制版机8和甚低频格式。
One way to do this, scientists say, would be to deploy a fleet of satellites designed to inject radiation belts artificially with VLF waves.
科学家表示，达到这个目的方法之一，是发射一组人造卫星，朝辐射带发射VLF电磁波。
These natural geomagnetic waves are being replaced by artificially created very low frequency (VLF) ground waves coming from GWEN Towers.
这些天然地磁波正在被人工制造的来自GWEN（“地面波应急网络”）发射塔的甚低频（VLF）地波所代替。
The VLF signals travel by waves that hug the ground rather than radiating into the atmosphere.
VLF信号通过紧贴地面而不是辐射到大气中的波来传输。
On the prepress side, two Kodak Magnus VLF (very large format) plate setters handle the extra-wide plates.
在印前方面，柯达马格努斯两个甚低频（非常大的格式）制版机处理额外的全牌照。
Proteus expects to replace two older VLF presses with the XL 145, thanks to major gains in efficiency expected with the new press.
变形预计将取代两个以上的VLF压力机与仪145个，由于主要的收益预期与效率的新的新闻。
The advantages of VLF-EM method are portable, simple, economic and efficient.
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。
Principle and application of the VLF electromagnetic method to determine overburden thickness
甚低频电磁法确定覆盖层厚度的原理及应用
Application of RaA radon and VLF methods in the deformation and fracture mass boundary test of a hydroelectric station
RaA氡气、甚低频测试在复核某电站库首变形体边界中的应用