signal frequenty的用法和樣例：
例句
- A false signal in telecommunication links from beats between signal frequency and sampling frequency.
假信號信號頻率和取樣頻率之間的拍子在無線電通信線路產生的假信號。 - The high permeability of the ferromagnetic reeds in a reed relay causes a pronounced skin effect with increasing signal frequency.
干簧式繼電器中鐵磁簧片的高磁導率會隨信號頻率的增加而產生很強的趨膚效應。
