‌通达信公式‌是通达信软件中使用的一种技术分析工具，它允许用户通过编写特定的数学公式来分析股票市场的数据，从而帮助投资者做出更明智的决策。这些公式可以涉及各种技术指标的计算，如移动平均线、相对强弱指数（RSI）、随机指标等，以及更复杂的策略和模式识别。通达信公式的编写基于一定的语法规则，包括变量定义、条件判断、数学运算等，通过这些公式，用户可以获得关于股票价格、成交量、技术指标等多种数据的信息，从而辅助决策过程。 请你详细的理解下面这段‌通达信公式‌，并解释代码几个部分的指标在做什么实现那种效果。给出{}包裹的代码注释。最后头脑风暴一下这个通达信公式是否存在优化的空间。请用中文回答

{买卖点}
VAR1:=CLOSE/EMA(CLOSE,30)100< 86;
VAR2:=CLOSE/EMA(CLOSE,55)100< 80;
VAR3:=HIGH>LOW1.051;
VAR4:=VAR3 AND COUNT(VAR3,5)>1;
TYP:=(HIGH+LOW+CLOSE)/3;
CCI:=(TYP-MA(TYP,14))/(0.015AVEDEV(TYP,14));
FYYH:= BARSLAST(VAR4)<4 AND (VAR1 OR VAR2) AND
((MA(C,27)/CLOSE)-1)*1000>LONG AND
((MA(C,17)/CLOSE)-1)*1000>SHORT AND
CLOSE< MA(C,120) AND
MA(C,60)>MA(C,30) AND
CCI<-(CCIE);

XG100:=(SMA(MAX(C-REF(C,1),0),MOE,1)*4-SMA(ABS(C-REF(C,1)),MOE,1))+50<50 AND (SMA(ABS(C-REF(C,1)),MOE,1)-SMA(MAX(C-REF(C,1),0),MOE,1)*4)+50>50;
CCIS:=IF(BARSLASTCOUNT(FYYH)=1,1,0);
MOS:=IF(BARSLAST(XG100)<3,-1,0);

白:= MA(TYP,80);
黄:= 白+(TSDPP/10)*STD(TYP,80);
紫:= 白-(TSDPPM/10)*STD(TYP,80);
青:= SAR(80,1,9);
SARS:=IF(LONGCROSS(青,黄,4),2,0);
SARS2:=IF(LONGCROSS(紫,青,4),-2,0);

{短线：能量柱子，佳庆}
MID:=SUM(VOL*(2*CLOSE-HIGH-LOW)/(HIGH+LOW),0);
CHO_:=MA(MID,5)-MA(MID,25);
MACHO:=EMA(CHO_,15);
CHO_A:=CHO_-MACHO;
CHO_NOR := (CHO_A-MA(CHO_A,50))/SQRT(VAR(CHO_A,50)),LINETHICK5;

{短线：能量柱子，强弱}
NN:=MIN(BARSCOUNT(C),30);
个股:= (CLOSE-REF(CLOSE,NN))/REF(CLOSE,NN)*100;
大盘:= (INDEXC-REF(INDEXC,NN))/REF(INDEXC,NN)*100;
强弱值:=EMA(个股-大盘,5);
QR_NOR := (强弱值-MA(强弱值,50))/SQRT(VAR(强弱值,50)),LINETHICK5;

{能量虚线}
SM:=(OPEN+HIGH+CLOSE+LOW)/4;
SMID:=MA(SM,D);
IM:=(INDEXO+INDEXH+INDEXL+INDEXC)/4;
IMID:=MA(IM,D);
SI1:=(SMID-REF(SMID,1))/SMID;
II:=(IMID-REF(IMID,1))/IMID;

DPMIN:=EMA(INDEXV,D);
DPMINI:=(DPMIN-REF(DPMIN,1))/DPMIN;
HYMIN:=EMA(HY_INDEXV,D);
HYMINI:=(HYMIN-REF(HYMIN,1))/HYMIN;

{股指强于大盘的累积价格量}
RADER1:=SUM((SI1-II)*2,S)*1000;
RADERMA:=SMA(RADER1,M,1);
QYDP:=RADER1-RADERMA;

{行业强于大盘的累积成交量}
RADER2:=SUM((HYMINI-DPMINI)*2,S)*1000;
RADERMA2:=SMA(RADER2,M,1);
HYQYDP:=RADER2-RADERMA2;

{LONT计算}
LC := REF(CLOSE,1);
VID := SUM(VOL,2)/(((HHV(HIGH,2)-LLV(LOW,2)))*100);
RC := (CLOSE-LC)*VID;
LONG := SUM(RC,0);
DIFF := SMA(LONG,10,1);
DEA := SMA(LONG,20,1);
LON := DIFF-DEA;
LONMA := MA(LON,10);
LONT := LON;

NORMAL_LONT:= (LONT-LLV(LONT,120)) / (HHV(LONT,120)-LLV(LONT,120));
NORMAL_QYDP:= (QYDP-LLV(QYDP,120)) / (HHV(QYDP,120)-LLV(QYDP,120));
NORMAL_HYQYDP:= (HYQYDP-LLV(HYQYDP,120)) / (HHV(HYQYDP,120)-LLV(HYQYDP,120));

REF_LHO:= (L+H+C)/3;
VA:=IF(CLOSE>REF(MA(REF_LHO,4),1),0.95*VOL,-VOL);
OBV:=SUM(IF(CLOSE=REF(MA(REF_LHO,4),1),0,VA),0);
MAOBV:=EMA(OBV,10);

{RATIO 越大越看重自身，越小越看重环境
RATIO2 越大表示越看重价格强于大盘，越小表示越看重行业量强于大盘
}
{
强弱线:0.5,COLORLIMAGENTA;
}
量价强于大盘:=( (1-RATIO)NORMAL_LONT+ RATIORATIO2NORMAL_QYDP + RATIO(1-RATIO2)*NORMAL_HYQYDP)*3 - 1.5;

{超买超卖区间}
VPC:=SUM(CV,20)/SUM(V,20) - MA(C,20);
VPR:=(SUM(CV,5)/SUM(V,5))/MA(C,5);
VM:=MA(V,5)/MA(V,20);
VPCI:=VPCVPRVM;
VPCIMA:= EMA(VPCI,20);
VPC_LINE := VPCI-VPCIMA;
MEAN := MA(VPC_LINE,60);
STDD := STD(VPC_LINE,60);
UPP := MEAN + 1.2STDD;
DOW := MEAN - 1.2STDD;
UPP_2 := MEAN + 2STDD;
DOW_2 := MEAN - 2STDD;
UPP_3 := MEAN + 3.5STDD;
DOW_3 := MEAN - 3.5STDD;

CHAOBUY:= IF(VPC_LINE>UPP_3,3,IF(VPC_LINE>UPP_2,2,IF(VPC_LINE>UPP,1,0)));
CHAOSELL:= IF(VPC_LINE<DOW_3,3,IF(VPC_LINE<DOW_2,2,IF(VPC_LINE<DOW,1,0)));

{画图:长期潜力实线}
长: (MAOBV-LLV(MAOBV,224))3.5 / (HHV(MAOBV,224)-LLV(MAOBV,224)) - 1.75 ,COLOR880000,LINETHICK2;
长K := IF(ABS(长-1.75)<0.01 OR ABS(长+1.75)<0.01,0.1,SLOPE(长,3));
{画图:中期能量虚线}
中: EMA(量价强于大盘,4),COLORBROWN;
中K := SLOPE(量价强于大盘,5);
{画图:中线的横杠}
STICKLINE((EMA(量价强于大盘,4)<0),EMA(量价强于大盘,4)-0.015,EMA(量价强于大盘,4),6,0),COLOR006DDB;
STICKLINE((EMA(量价强于大盘,4)>=0),EMA(量价强于大盘,4)+0.015,EMA(量价强于大盘,4),6,0),COLORAC00AC;
{画图:短期能量柱线，佳庆+对比大盘指数的强弱}
CHO_QR := (0.5CHO_NOR+0.6*QR_NOR);
短 : (CHO_QR-LLV(CHO_QR,120))*2 / (HHV(CHO_QR,120)-LLV(CHO_QR,120))-1,COLOR389640,LINETHICK2;
短K := IF(ABS(短-1)<0.01 OR ABS(短+1)<0.01,0.1,SLOPE(短,5));

{画图：短线与0 轴的填充柱线}
STICKLINE(短>=0,0,短,0.5,-1),COLORRED;
STICKLINE(短<0,0,短,0.5,-1),COLORGREEN;

{买卖标志点}
DRAWICON(MOS=-1,-1,38);
DRAWICON(CCIS=1,-1.5,38);
DRAWICON(SARS2=-2,-0.5,1);
DRAWICON(SARS=2,0.5,2);

{画图:上下边界线}
-1.8,COLORLIGRAY,POINTDOT;
0,DOTLINE;
1.8,COLORLIGRAY,POINTDOT;

{超买超卖突破边界的线}
IF(CHAOBUY=3 AND BARSLAST(CHAOSELL)>15,1.8,DRAWNULL)LINETHICK9,COLOR004000;
IF(CHAOBUY>=2 AND BARSLAST(CHAOSELL)>15,1.8,DRAWNULL)LINETHICK4,COLOR479F06;
IF(CHAOBUY>=1 AND BARSLAST(CHAOSELL)>15,1.8,DRAWNULL)LINETHICK2,COLORCDFF9B;
IF(CHAOSELL>=1 AND BARSLAST(CHAOBUY)>15,-1.8,DRAWNULL)LINETHICK2,COLOR8080FF;
IF(CHAOSELL>=2 AND BARSLAST(CHAOBUY)>15,-1.8,DRAWNULL)LINETHICK4,COLOR1313FF;
IF(CHAOSELL=3 AND BARSLAST(CHAOBUY)>15,-1.8,DRAWNULL)LINETHICK9,COLOR00005B;

NORMAL_OBV_K:=SLOPE(长,3);
OBV_DOWN_CROSS := LONGCROSS(EMA(NORMAL_OBV_K,14),EMA(NORMAL_OBV_K,7),5);
OBV_UP_CROSS := LONGCROSS(EMA(NORMAL_OBV_K,7),EMA(NORMAL_OBV_K,14),5);
SELL_1 := IF(BARSLAST(OBV_DOWN_CROSS)<10 AND NORMAL_OBV_K<-0.15 AND 长>1 ,1,0);
BUY_1 := IF(BARSLAST(OBV_UP_CROSS)<10 AND NORMAL_OBV_K>0.15 AND 长<1.3 ,1,0);

LJQY_K := SLOPE(量价强于大盘,5);
LJQY_DOWN_CROSS := LONGCROSS(EMA(LJQY_K,10),EMA(LJQY_K,4),2);
LHQY_UP_CROSS := LONGCROSS(EMA(LJQY_K,4),EMA(LJQY_K,10),2);
SELL_2 := IF(BARSLAST(LJQY_DOWN_CROSS)<3 AND LJQY_K*10<-0.25 AND 量价强于大盘>-0.75,1,0);
BUY_2 := IF(BARSLAST(LHQY_UP_CROSS)<3 AND LJQY_K*10>0.25 AND 量价强于大盘<0.75,1,0);

A_K:=SLOPE(短,4);
BUY_3:=IF(BARSLASTCOUNT(A_K>0)>4 AND 短>-0.25 AND 短<0.25,1,0);
SELL_3:=IF(BARSLASTCOUNT(A_K<0)>2 AND 短>0.5,1,0);

CON_23:= BARSLAST(BUY_2)<3 AND BARSLAST(BUY_3)<3 AND SLOPE(长,10)>0.05 AND 长<0.5;
CON_12:= BARSLAST(BUY_2)<3 AND BARSLAST(BUY_1)<3 AND SLOPE(短,10)>0.05 AND 短<0.5;
CON_23_SELL:= BARSLAST(SELL_2)<3 AND BARSLAST(SELL_3)<3 AND SLOPE(长,10)<-0.05 AND 长>-0.5;
CON_12_SELL:= BARSLAST(SELL_2)<3 AND BARSLAST(SELL_1)<3 AND SLOPE(短,10)<-0.05 AND 短>-0.5;

SIGNAL_UP_BUY:= (CON_23 OR CON_12) AND 长< 1.2 ;
SIGNAL_UP_SELL:= (CON_23_SELL OR CON_12_SELL) AND 长>1.2;
SIGNAL_BUT_BUY:= (BARSLAST(CCIS)<14 OR BARSLAST(MOS)<10) AND BARSLAST(SARS2)<2;
SIGNAL_BUT_SELL:= BARSLAST(SARS)<2;
SIGNAL_WR_BUY:= (BARSLASTCOUNT(CHAOSELL=3)>1 AND BARSLAST(CHAOBUY)>15) OR (BARSLASTCOUNT(CHAOSELL>1)>3 AND BARSLAST(CHAOBUY)>15) OR (BARSLASTCOUNT(CHAOSELL>0)>4 AND BARSLAST(CHAOBUY)>15);
SIGNAL_WR_SELL:= (BARSLASTCOUNT(CHAOBUY=3)>1 AND BARSLAST(CHAOSELL)>15) OR (BARSLASTCOUNT(CHAOBUY>1)>3 AND BARSLAST(CHAOSELL)>15) OR (BARSLASTCOUNT(CHAOBUY>0)>4 AND BARSLAST(CHAOSELL)>15);

STOCK_FLITER := NOT(CODELIKE('688')) AND NOT(NAMELIKE('ST')) AND NOT(NAMELIKE('*ST'));

实际流通率:=VOL/CAPITAL*100;
量能:=EMA(实际流通率,5)-EMA(实际流通率,240);
MEAN_S:= C+H+L+O;
MEAN_I:= INDEXC+INDEXH+INDEXL+INDEXO;
贝塔:=(MEAN_S/4)/REF((MEAN_S/4),1)/((MEAN_I/4)/REF((MEAN_I/4),1));
贝塔系数:=FORCAST(SMA(贝塔,5,1),18)*100-100;
贝塔长线:=EMA(贝塔系数,20);
贝塔差:=(贝塔系数-贝塔长线);

SIGNAL_BUY:= BARSLAST(SIGNAL_WR_SELL)>10 AND STOCK_FLITER AND (BARSLAST(SIGNAL_UP_BUY)<4 OR (BARSLAST(SIGNAL_WR_BUY)<10 AND BARSLAST(SIGNAL_BUT_BUY)<10));
SIGNAL_SELL:= STOCK_FLITER AND (BARSLAST(SIGNAL_UP_SELL)<4 OR ((BARSLAST(SIGNAL_WR_SELL)<2 AND 量能>0)OR BARSLAST(SIGNAL_BUT_SELL)<2));

FIX_N := 长K*2+中K+短K;
DRAWNUMBER_FIX(ISLASTBAR,0.2,0,0,FIX_N);

DRAWICON(量能>0.1 AND 贝塔差>0.1,1.5,24);
DRAWICON(SIGNAL_BUY=1,1.9,9);
DRAWICON(SIGNAL_SELL=1,1.9,36);