最小生成树，Remove one or more letters symbols from a text field, so as to achieve their own ends, so that some segments better use-Remove one or more letters symbols from a text field, so as to achieve their own ends, so that some segments better use

相空间重构，可利用相空间重构进行信号突变点的检测盒分段-Space reconstruction, reconstruction of phase space can be used for signal detection of point mutations cartridge segments