differencesn.不同名词difference的复数形式.differencen.差异；不同；差额；分歧vt.<罕见用法> 区别difference discrete差分离散difference quotient差商Difference subspace差别子空间Difference in aroma香味差异规律differences degrees差异度difference register差分寄存器Difference proteins差异蛋白difference cultural文化差异difference capacity差分电容Difference-images差分图像