RCK:=(SMA(LOW,21,2) * 0.95); 趋势线:=Sma(LOW,5,1); X1:=(((((3 * CLOSE) + HIGH) + LOW) + OPEN) / 6); X2:=EMA(X1,10); 大胆买入:((crOSS(趋势线,RCK) AND (LOW <= X2)) AND ((X2 - REF(X2,1)) > 0));