STICKLINE(C>0,0,0,20,-1)COLORGRAY; 阳:=C>O; STICKLINE(阳,C-(O+C)/2,0,2.5,0)COLORRED; STICKLINE(阳,O-(O+C)/2,0,2.5,0)COLORRED; STICKLINE(阳,H-(O+C)/2,0,0,0)COLORRED; STICKLINE(阳,L-(O+C)/2,0,0,0)COLORRED; 阴:=C