A:=MAX(MA(VOL,30),MA(VOL,60));
B:=MIN(MA(VOL,30),MA(VOL,60));
绿灯行:VOL>A,COLORGREEN,LINETHICK0,PRECIS0;
红灯停:VOL<B,COLORRED,LINETHICK0,PRECIS0;
黄灯等:A>=VOL AND VOL>=B,COLORYELLOW,LINETHICK0,PRECIS0 ;
STICKLINE(VOL>A,0,1,10,0),COLORGREEN,LINETHICK2;
STICKLINE(VOL<B,0,1,10,0),COLORRED,LINETHICK2;
STICKLINE(A>=VOL AND VOL>=B,0,1,10,0),COLORYELLOW,LINETHICK2;