基本解释[地球科學]功率譜法功率譜方法英汉例句雙語例句A self-adaptive feature extraction method based on power spectral centroid is proposed.提出一種基於功率譜重心的自適應特征信息提取方法。power-spectral method更多例句词组短语短語the cross -power-spectral method 互功率譜法power-spectral method更多词组专业释义地球科學功率譜法功率譜方法