调频传输逼真度

[电] fidelity of f-m transmission

tiáo pín chuán shū bī zhēn dù ㄊㄧㄠˊ ㄆㄧㄣˊ ㄔㄨㄢˊ ㄕㄨ ㄅㄧ ㄓㄣ ㄉㄨˋ