描述兩個(gè)功率電平比值的單位.A unit that describes the ratio of two power levels.要使計(jì)數(shù)器正常工作,正向和逆向控制輸入電平必須始終相反.For proper operation the forward and reverse direction - control inputs must always be complementary.如旁瓣電平過(guò)大,很多科研工作者都在設(shè)法解決這些問(wèn)題...