wú xiàn diàn / xìn hào / zài / diàn lí céng / zhōng / de / chuán bō / qíng kuàng / huì / shòu dào / tài yáng / huó dòng / de / yǐng xiǎng

无线电信号在电离层中的传播情况会受到太阳活动的影响。

The way radio signals travel through the ionosphere is affected by solar activity.