基本解释[能源科学技术]矩形低通滤波器英汉例句双语例句Were rectangular window and Hamming window design of linear phase FIR low-pass filter.分别用矩形窗和Hamming窗设计线性相位FIR低通滤波器。词组短语短语rectangular waveguide low -pass filter 矩形波导低通滤波器专业释义能源科学技术矩形低通滤波器