MA7:=ema(c,7);
ma14:=eMA(CLOSE,14);
ma21:=eMA(CLOSE,21);
ma34:=eMA(CLOSE,34);
ma42:=EMA(CLOSE,42);
ma54:=EMA(CLOSE,54);
DIFF := EMA(CLOSE,12) - EMA(CLOSE,26);
DEA := EMA(DIFF,9);
macd := 2*(DIFF-DEA);
quyi:=eMA(C,120)>=REF(eMA(C,120),1);
quyi1:=eMA(C,240)>=REF(eMA(C,240),1);
quyi2:=eMA(C,360)>=REF(eMA(C,360),1);
quyi3:=eMA(C,90)>=REF(eMA(C,90),1);
准备起爆:(cross(MA7,MA14) or
cross(MA7,MA21) or
cross(MA7,MA34) or
cross(MA7,MA42) or
cross(MA7,MA54) or
cross(MA14,MA21) or
cross(MA14,MA34) or
cross(MA14,MA42) or
cross(MA14,MA54) or
cross(MA21,MA34) or
cross(MA21,MA42) or
cross(MA34,MA54) or
cross(MA14,MA21) or
cross(MA21,MA34) or
cross(MA34,MA42) or
cross(MA42,MA54) )and Dea>0 and quyi and quyi1 and quyi2 and quyi3 ;