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趨勢(shì)線:=3*SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1)-2*SMA(SMA((CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100,5,1),3,1);
趨勢(shì)準(zhǔn)備:=趨勢(shì)線<=10;
 BD1:=REF(CLOSE,2);
 BD2:=SMA(MAX(CLOSE-BD1,0),7,1)/SMA(ABS(CLOSE-BD1),7,1)*100;
波段介入:=BD2<19;
波段底:波段介入 AND 趨勢(shì)準(zhǔn)備;