upper beat frequency
[电力英汉词典]
upper beat frequencyn.上差拍频率
是什么意思,upper beat frequency的解释,upper beat frequency的翻译
[电信英汉词典] upper beat frequency
upper beat frequency
[电力英汉词典]
upper beat frequency是什么意思,upper beat frequency的解释,upper beat frequency的翻译
[电信英汉词典] upper beat frequency