“超低频”用英语怎么说

“超低频”的拼音为：chāo dī pín...

研制一种新型超低频垂直隔振系统.A novel ultra - low frequency vibration isolator is established.控制电源输入, 实现了超低频电缆试验装置的输出幅值从0～30kV可调.By controlling input of power, the output from 0 ~ 30 kV of sinusoidal can be adjusted.在特征提取中还考虑了HRV中 超低频...