DU Weiwen,GU Lizhi,WANG Jiantao. Prediction of Surface Roughness Based on Least Square Support Vector Machine in Low-frequency Vibration Cutting Process[EB/OL]. Beijing:Sciencepaper Online[2014-03-31]. http://www.paper.edu.cn/releasepaper/content/201403-825. 此文件来自 中国科技论文在线 请勿作用于商业用途!