波段周期:=30;洗盘深度:=1.095;ZFG:=REF(HHV(CLOSE,波段周期),1);DG:=HHV(CLOSE,波段周期)/LLV(C,波段周期)>洗盘深度;过左峰:REF(COUNT(CLOSE<ZFG,波段周期)=波段周期,1) AND CLOSE>ZFG AND CLOSE>OPEN AND DG;