VAR1:=(CLOSE-ma(CLOSE,21))/MA(CLOSE,21)*100; VAR2:=(CLOSE-LLV(LOW,43))/(HHV(HIGH,43)-LLV(LOW,43))*100; VAR3:=SMA(VAR2,2,1); 股价:=SMA(VAR3,2,1); 底:=Abs(VAR1); 买:crOSS(股价,底);