波段:CROSS(SMA((CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100,3,1),SMA(SMA((CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100,3,1),3,1)) AND SMA((CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100,3,1)<20;