VAR1:=(2*CLOSE+HIGH+LOW)/4;VAR2:=LLV(LOW,34);VAR3:=HHV(HIGH,34);XX:=EMA((VAR1-VAR2)/(VAR3-VAR2)*100,13);YY:=EMA(0.667*REF(XX,1)+0.333*XX,2);XG:CROSS(XX,20) AND YY (已测试）
