文华翻译成天勤，谢谢

DIFF := EMA(CLOSE,12) – EMA(CLOSE,26);
DEA := EMA(DIFF,9);
MACD:=2*(DIFF-DEA);
T:=BARSLAST(MACD<0);
A1:=MACD<REF(MACD,1);
A2:=COUNT(A1,T)=1;
XG:A1 AND A2;