例句與造句

1. At input end , symmetric - to - asymmetric transformation ( sat ) is implemented before transmitting and transform symmetric signal into asymmetric signal . but additive symmetrical distributed noise is vanishes through odd - order cumulant
   在輸入端先采用對(duì)稱?反對(duì)稱變換，將對(duì)稱信號(hào)變換為非對(duì)稱信號(hào)，但對(duì)于信道上迭加的對(duì)稱性噪聲，通過奇數(shù)階累積量運(yùn)算后會(huì)抵消。
2. It's difficult to find symmetric signal in a sentence. 用symmetric signal造句挺難的