VAR2:=LLV(LOW,10); VAR3:=HHV(HIGH,25); 趋势:=EMA((CLOSE-VAR2)/(VAR3-VAR2)*4,4); 波段:=MA(趋势,3); 准备:(波段>REF(波段,1)) AND (REF(波段,1)<REF(波段,2)) AND (波段<1);