写7日线上穿中轨出现潜字的预警
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编写要求：

请老师写7日线上穿中轨出现潜字的预警MA7:EMA(CLOSE,7),COLORRED,LINETHICK2;MID:MA(CLOSE,20),COLORYELLOW,LINETHICK2;UPPER:MID+2*STD(CLOSE,20),COLORRED,DOTLINE;LOWER:MID-2*STD(CLOSE,20),COLORGREEN,DOTLINE;STICKLINE(ISLASTBAR,HHV(C,5),HHV(C,5),218,1)COLORBLUE;STICKLINE(ISLASTBAR,HHV(C,5)*0.97,HHV(C,5)*0.97,218,1)COLORRED;C幼马:=CROSS(C,MA(C,25));DRAWTEXT(C幼马 ,L,'*潜'),COLORYELLOW;AA:=BARSLAST(CROSS(EMA(C,8),EMA(C,3)) AND C>MA(C,25));C操盘线:=CROSS(C,EMA(C,144));DRAWTEXT(C操盘线,L,'*CP'),COLORF0F000;小秘密:=CROSS(BB,AA);DRAWTEXT(小秘密,L-0.15,'跟进'),COLORF00FF0;密码:=AA AND CROSS(C,MA(C,7)) AND AA<6;DRAWTEXT(密码,L-0.38,'密码'),COLORRED;

解答：

 MA7:=EMA(CLOSE,7),COLORRED,LINETHICK2;

MID:=MA(CLOSE,20),COLORYELLOW,LINETHICK2;
UPPER:=MID+2*STD(CLOSE,20),COLORRED,DOTLINE;
LOWER:=MID-2*STD(CLOSE,20),COLORGREEN,DOTLINE;
C幼马:=CROSS(C,MA(C,25));
XG:CROSS(MA7,MID) AND C幼马;

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