基本解释[地球科学]功率谱法功率谱方法英汉例句双语例句A self-adaptive feature extraction method based on power spectral centroid is proposed.提出一种基于功率谱重心的自适应特征信息提取方法。词组短语短语the cross -power-spectral method 互功率谱法专业释义地球科学功率谱法功率谱方法