<s>
the	O
application	O
of	O
finite	B-Application
element	I-Application
methods	I-Application
.	O
</s>
<s>
To	O
triangulate	O
an	O
implicit	B-Algorithm
surface	I-Algorithm
(	O
defined	O
by	O
one	O
or	O
more	O
equations	O
)	O
is	O
more	O
difficult	O
.	O
</s>
<s>
Polygonizing	O
a	O
surface	O
means	O
to	O
generate	O
a	O
polygon	B-Algorithm
mesh	I-Algorithm
.	O
</s>
<s>
See	O
Delaunay	B-Algorithm
triangulation	I-Algorithm
.	O
</s>
