非常有效，期货交易信号 XDKX0:=DATE=20101228; XDKX1:=EMA(REF(CLOSE,1),10); XDKX2:=SMA(SUM(CLOSE,1),3,1); DRAWLINE(XDKX2<=XDKX1,HIGH,XDKX2<=XDKX1,OPEN,COLORCYAN); DRAWLINE(XDKX2<=XDKX1,LOW,XDKX2XDKX1,HIGH,XDKX2>XDKX1,CLOSE,COLORRED); DRAWLINE(XDKX2&g