波段底:=(3)*(SMA(((CLOSE - LLV(LOW,27))/(HHV(HIGH,27) - LLV(LOW,27)))*(100),5,1)) -(2)*(SMA(SMA(((CLOSE - LLV(LOW,27))/(HHV(HIGH,27) - LLV(LOW,27)))*(100),5,1),3,1));
红箭头:crOSS(波段底,3);
波段底:=(3)*(SMA(((CLOSE - LLV(LOW,27))/(HHV(HIGH,27) - LLV(LOW,27)))*(100),5,1)) -(2)*(SMA(SMA(((CLOSE - LLV(LOW,27))/(HHV(HIGH,27) - LLV(LOW,27)))*(100),5,1),3,1));
红箭头:crOSS(波段底,3);