持续缓变漏电
continuous slow change leakage current
持续缓变漏电电流
continuous slow change leakage current
低频缓变信号
low-frequency and slow-changing signals
刚度缓变介质
medium with smoothly varying stiffness
横向缓变介质
medium with gradual transverse change in velocity
缓变地形
slowly varying topography