1. 以低于信號(hào)中最高頻率兩倍的頻率進(jìn)行信號(hào)取樣時(shí)出現(xiàn)的一種效應(yīng)，即當(dāng)由取樣狀態(tài)還原時(shí)，還原后的信號(hào)將不再含有原來(lái)信號(hào)中的高頻成分，并將顯示出虛假的低頻信號(hào)。
   An effect that occurs when a signal is sampled at a rate less than twice the highest frequency present in the signal.The subsequent signal recovered from the samples will not contain the high frequency component of the original signal and will display a false low frequency signal.
2. 透熱療法用電極或其它器械通過(guò)各種波長(zhǎng)的高頻電流使在組織內(nèi)產(chǎn)生熱以達(dá)到內(nèi)外科治療目的
   The therapeutic generation of local heat in body tissues by high-frequency electromagnetic currents.

高的英語(yǔ)翻譯：

頻的英語(yǔ)翻譯：