英文单词特征提取: 特征提取,Feature Extraction 1)Feature Extraction特征提取 1.Feature Extraction From Carbon Fiber Composites Ultrasonic Signals Based On Wavelet Packet Transform;基于小波包变换的复合材料超声波检测信号特征提取 2.New Feature Extraction Method For Laser-Induced Fluorescence Spectra;一种激光诱导...