短語詞組短語effective Sampling frequency 則系統(tǒng)的有效取樣頻率Effective carrier frequency 工作頻率effective theoretical frequency 有效理論頻率Effective Plasma Frequency 有效等離子體頻率effective cutoff frequency 翻譯effective exposing frequency 有效暴露頻次effective normalized frequency 有效歸一化頻率effective observation frequency band 有效觀測頻帶Effective Frequency Band 有效頻響范圍 返回 effective frequency