Y1:=BArslAST(crOSS(MA(C,5),MA(C,20))) AND MA(C,5)>MA(C,20); Y2:=Y1 AND BARSLAST(CROSS(MA(C,5),MA(C,90))); Y3:=Y2 AND CROSS(MA(C,20),MA(C,90)); 笑脸:Y3;