编写要求：
DIF:EMA(CLOSE,12) - EMA(CLOSE,26),COLORRED;
DEA:EMA(DIF,9),COLORBLUE;
MACD:2*(DIF-DEA),COLORSTICK;
FH1:=REF(MACD,1)=0 AND COUNT(MACD>REF(MACD,1),1)=1;
FH3:=FH1 AND FH2 AND EMA(C,13)>REF(EMA(C,13),1);
FH4:=FH1 AND FH2 AND ABS((DIF-DEA)/C)<0.018;
FH5:=FH1 AND FH2 AND MACD<0.10;
二次翻红:(FH3 OR FH4 OR FH5),LINETHICK0,colorred;
低买:CROSS(DIF,DEA) AND DIF<0,LINETHICK0;
加油:CROSS(DIF,DEA) AND DIF>0,LINETHICK0;
DRAWICON(二次翻红,-0.05,7);
DRAWTEXT(二次翻红,-0.15,'翻红'),COLORRED;
DRAWTEXT(CROSS(DIF,DEA) AND DIF<0,DEA-0.02,'↖低买'),COLORFF00FF;
DRAWTEXT(CROSS(DIF,DEA) AND DIF>0,DEA-0.05,'↖加油'),COLORYELLOW;
YLZC:=if(close=INDEXC,(INDEXC+INDEXh+INDEXl+INDEXO)/4,AMOUNT/(vol+0.01)/100);
阻价:=if(close=INDEXC,YLZC+INDEXC-INDEXl,YLZC+(close-low));
支价:=if(close=INDEXC,INDEXl+INDEXC-YLZC,low+(close-YLZC));
今压:REF(阻价,1),LINETHICK0;
今撑:REF(支价,1),LINETHICK0;
明压:阻价,LINETHICK0;
明撑:支价,LINETHICK0;
指标源码里面共有三种买点：低买、加油、翻红。
麻烦老师能否根据这三个买点，分别写出三个选股公式，万分感谢！
解答：
?DIF:=EMA(CLOSE,12) - EMA(CLOSE,26);
DEA:=EMA(DIF,9);
