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);
坑底准备:(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 ;