选1:=金叉1 AND 金叉2 AND 金叉3 AND 金叉4; 选2:=金叉1 AND 金叉2 AND 金叉3; 选3:=金叉2 AND 金叉3 AND 金叉4; 选4:=金叉1 AND 金叉2 AND 金叉4; 选5:=金叉1 AND 金叉3 AND 金叉4; 选股:选1 OR 选2 OR 选3 OR 选4 OR 选5;