DRAWICON(CROSS(-7.0,抄底),抄底,1);
选股：
N(1,300,10)
VAR1:=AMOUNT/VOL/7;
VAR2:=(3*HIGH+LOW+OPEN+2*CLOSE)/7;
VAR3:=SUM(AMOUNT,N)/VAR1/7;
VAR4:=DMA(VAR2,VOL/VAR3);
RSV庄:=(((CLOSE - LLV(LOW,9)) / (HHV(HIGH,9) - LLV(LOW,9))) * 100);
CROSS(-7.0,(CLOSE-VAR4)/VAR4*100);
