SHORT:=6; LONG:=13; M:=5; DIF:=(Ema(CLOSE,SHORT)-EMA(CLOSE,LONG))*100; DEA:=EMA(DIF,M); B4:=crOSS(DIF,DEA) AND CROSS("kdj.K"(9,3,3),"kdJ.D"(9,3,3)); B买:B4;
