AA:=MA((2*CLOSE+HIGH+LOW)/4,5); 内下轨道:=AA*(200-102)/100; CC:=ABS((2*CLOSE+HIGH+LOW)/4-MA(CLOSE,20))/MA(CLOSE,20); DD:=DMA(CLOSE,CC); 外下轨道:=(1-7/100)*DD;XG:内下轨道<外下轨道 AND C>O;
