M5:=MA(C,5); M10:=MA(C,10); M20:=MA(C,20); M30:=MA(C,30); MAX_MA:=MAX(M5,MAX(M10,MAX(M20,M30))); MIN_MA:=MIN(M5,MIN(M10,MIN(M20,M30))); NHD:=(MAX_MA-MIN_MA)/MIN_MA*100; ANG_M5:=ATAN((M5/REF(M5,1)-1)*100)*180/3.1415926; ANG_M10:=ATAN((M10/REF(M10,1)-1)*100)*180/3.1415926; ANG_M20:=ATAN((M20/REF(M20,1)-1)*100)*180/3.1415926; ANS3:=ANG_M5>0 AND ANG_M10>0 AND ANG_M20>0 AND ANG_M5>ANG_M10; ANS4:=NHD<3 AND C>M5 AND C>M20; 均线走牛:ANS3 AND ANS4;