MA5:=MA(C,5);
MA10:=MA(C,10);
MA30:=MA(C,30);
低:=REF(C,1)<MA5 AND REF(C,1)<MA10 AND REF(C,1)<MA30;
高:=CROSS(C,MA5) AND CROSS(C,MA10) AND CROSS(C,MA30);
选股:低 AND 高;