编写要求：
DIF:EMA(CLOSE,13)-EMA(CLOSE,21);
DEA:EMA(DIF,2);
CD:(DIF-DEA)*7,COLORRED,LINETHICK2;
DRAWBAND(DIF,RGB(255,50,0),DEA,RGB(0,255,50));
界: 0,COLORFFFF00,LINETHICK1;
DRAWTEXT(ISLASTBAR AND DIF>REF(DIF,1),DIF,' ↑趋势'),COLORFFFFFF;
DRAWTEXT(ISLASTBAR AND DIFREF(CD,1),CD,' ↑柱'),COLOR0000FF;
DRAWTEXT(ISLASTBAR AND CD 0),0,CD,1,0),COLOR0000CC;
STICKLINE((CD > 0),0,CD*0.9,1,0),COLOR0000EE;
STICKLINE((CD > 0),0,CD*0.8,1,0),COLOR0011FF;
STICKLINE((CD > 0),0,CD*0.7,1,0),COLOR0033FF;
STICKLINE((CD > 0),0,CD*0.6,1,0),COLOR0055FF;
STICKLINE((CD > 0),0,CD*0.5,1,0),COLOR0077FF;
STICKLINE((CD > 0),0,CD*0.4,1,0),COLOR0099FF;
STICKLINE((CD > 0),0,CD*0.3,1,0),COLOR00BBFF;
STICKLINE((CD > 0),0,CD*0.2,1,0),COLOR00DDFF;
STICKLINE((CD > 0),0,CD*0.1,1,0),COLOR00FFFF;
STICKLINE((CD < 0),0,CD,1,0),COLORCC0033;
STICKLINE((CD < 0),0,CD*0.9,1,0),COLOREE0033;
STICKLINE((CD < 0),0,CD*0.8,1,0),COLORFF1133;
STICKLINE((CD < 0),0,CD*0.7,1,0),COLORFF3333;
STICKLINE((CD < 0),0,CD*0.6,1,0),COLORFF5533;
STICKLINE((CD < 0),0,CD*0.5,1,0),COLORFF7733;
STICKLINE((CD < 0),0,CD*0.4,1,0),COLORFF9933;
STICKLINE((CD < 0),0,CD*0.3,1,0),COLORFFBB33;
STICKLINE((CD < 0),0,CD*0.2,1,0),COLORFFDD33;
STICKLINE((CD < 0),0,CD*0.1,1,0),COLORFFFF33;
DI:=EMA(C,12)-EMA(C,26);
DE:=EMA(DI,9);
DRAWICON(CROSS(DI,DE),DIF,17);
RSV:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
DRAWICON(CROSS(K,D) AND K>20 AND D<50,CD,23);
DRAWTEXT(CROSS(K,D) AND K>20 AND D<50,CD,' '),COLORFFFFFF;
RR2:=(3,15,1)<10;
RR3:=(3,15,1)<10;
RR4:=IF(RR2=1,50,0);
RR5:=IF(RR3=1,50,0);
底部:=IF(RR4=50,10,0);
DRAWICON(底部=10 AND REF(底部,1)=10 AND REF(底部,2)=0,0,9);
R1:=(C>REF(C,1) AND C>REF(C,2));
R2:=(REF(R1,1) AND C<=REF(C,1) AND C>=REF(C,2));
R3:=(REF(R2,1) AND C>=REF(C,1) AND C<=REF(C,2));
R4:=(REF(R3,1) AND C<=REF(C,1) AND C>=REF(C,2));
R5:=(REF(R4,1) AND C>=REF(C,1) AND C<=REF(C,2));
R6:=(REF(R5,1) AND C<=REF(C,1) AND C>=REF(C,2));
R7:=(REF(R6,1) AND C>=REF(C,1) AND C<=REF(C,2));
R8:=(REF(R7,1) AND C<=REF(C,1) AND C>=REF(C,2));
R9:=(REF(R8,1) AND C>=REF(C,1) AND C<=REF(C,2));
RA:=(REF(R9,1) AND C<=REF(C,1) AND C>=REF(C,2));
RB:=(REF(RA,1) AND C>=REF(C,1) AND C<=REF(C,2));
RC:=(REF(RB,1) AND C<=REF(C,1) AND C>=REF(C,2));
RD:=(C=REF(C,1) AND C<=REF(C,2));
RF:=(REF(RE,1) AND C<=REF(C,1) AND C>=REF(C,2));
R10:=(REF(RF,1) AND C>=REF(C,1) AND C<=REF(C,2));
R11:=(REF(R10,1) AND C<=REF(C,1) AND C>=REF(C,2));
R12:=(REF(R11,1) AND C>=REF(C,1) AND C<=REF(C,2));
R13:=(REF(R12,1) AND C<=REF(C,1) AND C>=REF(C,2));
R14:=(REF(R13,1) AND C>=REF(C,1) AND C<=REF(C,2));
R15:=(REF(R14,1) AND C<=REF(C,1) AND C>=REF(C,2));
R16:=(REF(R15,1) AND C>=REF(C,1) AND C<=REF(C,2));
R17:=(REF(R16,1) AND C<=REF(C,1) AND C>=REF(C,2));
R18:=(REF(R17,1) AND C>=REF(C,1) AND C<=REF(C,2));
R19:=REF(RD OR RE OR RF OR R10 OR R11 OR R12 OR R13 OR R14 OR R15 OR R16 OR R17 OR R18,1) AND R1;
R1A:=((REF(R1 OR R2 OR R3 OR R4 OR R5 OR R6 OR R7 OR R8 OR R9 OR RA OR RB OR RC,1)) AND RD);
DRAWICON(R1A,DIF,15);
DRAWICON(R19,CD,1);
解答：
?DIF:EMA(CLOSE,13)-EMA(CLOSE,21);
DEA:EMA(DIF,2);
