1、The material used for the window is radio-transparent, allowing for clear reception of radio signals inside the building.
窗户使用的材料是透明于无线电波的，使得建筑内部的无线电信号接收清晰。
2、The radiotransparent film allowed for the successful transmission of radio signals through the barrier.
这种透明于无线电波的薄膜使得无线电信号能够成功穿过障碍。