DIF3:=EMA(CLOSE,9)-EMA(CLOSE,17);DEA3:=EMA(DIF3,8);3 := 2*(DIF3-DEA3);RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;K:=SMA(RSV,3,1);D:=SMA(K,3,1);J:=3*K-2*D;:MACD3>REF(MACD3,1) AND REF(MACD3,2)>=REF(MACD3,1) AND J<50>REF(C,1) AND C>O AND J>REF(J,1);DIFF:EMA(DCLOSE,12)-EMA(DCLOSE,26);// 1.蓝线B：鳄鱼的颚。取 13根bar的平滑移动平均，将结果往未来的方向移动8根bar得到。RGB_B : REF(SMA(CLOSE, 13, 1), 8), colorblue;// 2.红线R：鳄鱼的牙齿。取8根bar的平滑移动平均，将结果往未来的方向移动5根bar得到。RGB_R : REF(SMA(CLOSE, 8, 1), 5), colorred;// 3.绿线G：鳄鱼的上唇。取5根bar平滑