畫(huà)線(xiàn)

ma20:=ma(c,20);

ma10:=ma(c,10)

if holding>0 and c>ma10 and c<ma20 then mm:ma20;

if holding>0 and c>ma20 then mm:ma10;

if holding<0 and c>ma10 and c<ma20 then mm1:ma10;

if holding<0 and c>ma20 then mm1:ma20;

h20:=hhv(h,20);

ma1:=ma(c,5);

l10:=llv(l,10)

if holding>0 and  c>ma1 and c<h20 then mm:h20;

if holding>0 and h=h20 then mm:l10;

if holding<0 and c>ma1 and c<h20 then mm1:l10;

if holding<0 and h=h20 then mm1:h20;