编写要求：
请老师帮我把通达信的bs主图公式改成条件选股公式
当天出现B点买，谢谢
MA5:MA(C,5),COLORF00FF0;
MA10:MA(C,10),COLORYELLOW;
MA21:MA(C,21),COLORE66878;
MA30:MA(C,30),COLORWHITE;
MA120:MA(C,120),COLOR399C7F,POINTDOT;
MA240:MA(C,240),COLOR000999,POINTDOT;
X1:=(C+L+H)/3;
X2:=EMA(X1,6);
X3:=EMA(X2,5);
DRAWICON(CROSS(X2,X3),L*0.98,7);
DRAWICON(CROSS(X3,X2),H*1.02,8);
STICKLINE(X2>=X3,LOW,HIGH,0.1,1),COLORRED;
STICKLINE(X2>=X3,CLOSE,OPEN,2,2),COLORRED;
STICKLINE(X2>=X3,CLOSE,OPEN,2,8),COLORBROWN;
STICKLINE(X2 股票网解答： X1:=(C+L+H)/3; X2:=EMA(X1,6);
X3:=EMA(X2,5);
xg:CROSS(X2,X3);