中文说明：旋转机械二维全息谱计算，一种流形学习算法（很好用），外文资料里面的源代码，Relief计算分类权重，虚拟力的无线传感网络覆盖，针对EMD方法的不足。
English Description：
Rotating machinery two-dimensional holographic spectrum calculation, a manifold learning algorithm (very good), foreign material inside the source code, relief calculation weights in classification, virtual force of wireless sensor network coverage, for the EMD method.