一个VC做的点名程序，用于教师上课前点名用，中文发音，避免了教师不认识某些字发间的尴尬。 注意：需要安排发音构件SimpChinese Speech Package；目录中有一个示范的名单文件 界面简单，看了就会用-Do name a VC program, named for the teachers to use before class, Chinese pronunciation, to avoid the teacher does not know the embarrassm

利用R自带数据并进行主成分分析，并进行模型估计-Using R own data and principal component analysis, and model estimation

For lack of EMD, Principal component analysis model for establishing, BP neural network function fitting and pattern recognition.