n.光谱 newaction spectrum的英文翻译是什么意思,词典释义与在线翻译:英英释义Noun:the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation action spectrum的用法和样例:例句用作名词(n.)This is a kind of atomic spectrum. 这是一种原子光谱。But why is the Hate side of the spectrum so large? 但是为什么光谱的黑暗面也会那么大面积呢?