vlf very low frequency meaning in Chinese
甚低频，超低频
Examples
- This system employed a new concept for measuring upper winds , viz . use of vlf very low frequency in the range of 10 - 13 khz signals from a global navigational network , omega , for computing the wind
与以往无线电相比，该系统在测风方面则采用了一种新的概念，利用世界性奥米茄导航站网的甚低频信号10 - 13khz来计算出高空风向和风速，无需用雷达追踪探空仪位置。