LC:=REF(CLOSE,1);AR:=SUM(HIGH-OPEN,26)/SUM(OPEN-LOW,26)*100;VARB:=SMA(MAX(CLOSE-LC,0),7,1)/SMA(A(CLOSE-LC),7,1)*100;VARC:=SMA(MAX(CLOSE-LC,0),13,1)/SMA(ABS(CLOSE-LC),13,1)*100;VARD:=BARSCOUNT(CLOSE);低位:(VARB< 20> 50 AND AR<70)*200;