basic frequency的用法和樣例：
例句
- Much remains to be done, then, but we anticipate that the same results will be generated by the HHT method to improve the resolution of the time and frequency domains.
而本篇文章則是利用時頻分析技術，以共振主頻隨時間之變化來探討局部地區土層之場址效應，尤其是強震與弱震間土壤共振主頻之差異。 - According to the oscillation theory of membrane, the inherence frequency and basic frequency of the flexible membrane are obtained.
根據薄膜振動理論得到了彈性膜片的固有頻率和基頻。
