介质调谐 meaning in English

dielectric tuning

Structure type and dimensions for film dielectric tuning variable capacitors
薄膜介质调谐可变电容器结构型式及尺寸
Model cbm - 443bf am fm4 - section film dielectric variable tuning capacitor
Cbm - 443bf型调频调幅四联薄膜介质调谐可变电容器
Model cbm - 443af am fm4 - section film dielectric variable tuning capacitor
Cbm - 443af型调频调幅四联薄膜介质调谐可变电容器