跃龙门主图指标 (源码)

VART2:=EMA(VART1,N);VART3:=SQRT(VART2);
UPPERA:MIDA+2*VART3;LOWERA:=MIDA-2*VART3;
生命线:REF(MIDA,1),LINETHICK2;
UB:=REF(UPPERA,1);
A:=C
B:=C
E:=C
ACE:=A AND B AND E;
DRAWICON(ACE,生命线,1);