AA:=COUNT(crOSS(Ema(C,21),MA(C,8)),30)=1; BB:=COUNT(CROSS(EMA(C,21),MA(C,60)),30)=1; CC:=REF(BArslAst(AA AND BB),1); DD:=CC AND CROSS(MA(C,8),EMA(C,21)); 乘风:DD;