, .
- -. . 3.2 . 3.5.
. 3.5.
.
, <>, <>,<>.
:
< > <> <>
<> < > <>
:
- , , .
- , .
- , .
. , (, ), IS.
, , PC, IS.
( 3.1).
3.1
Is | ||
Is | ||
Is | ||
Is |
.
, . :
- ;
- , - ;
- ;
- , . . ().
:
IS
IS
IS
IS
:
- ;
- ;
- .
:
IS (type_of_plant, tree) if IS (stream, woody),
IS (position, upright),
IS (main_treak, one).