FM
abbr. 调频（frequency modulation）
例句
This is FM stereo one oh three point seven.
这里是调频立体声广播103.7兆赫。
《柯林斯英汉双解大词典》
We broadcast on ninety-five point nine (95.9) FM.
我们以调频95.9播音。
《牛津词典》
The broadband FM signals and the narrowband CF signals travel out to a target, reflect from it, and return to the hunting bat.
宽带 FM 信号和窄带 CF 信号传输到目标，从目标反射回来，然后返回猎蝠。
