AAA:=REF(CLOSE,1);BBB:=SMA(MAX(CLOSE-AAA,0),5,1)/SMA(ABS(CLOSE-AAA),5,1)*1000;HHH:=BBB-LLV(BBB,10);SSS:=(MA(HHH,2)*3+HHH*13)/16;短线买点:=IF(SSS>13,MA(SSS,2),SSS);跌破:CROSS(21,短线买点);