31
-
.
-
.
,
,
.
-
,
-
.
,
-
-
.
-
-
,
-
.
:
,
-
,
,
-
.
-
,
.
.
-
,
-
.
-
ESRI
-
,
-
-
.
-
,
.
-
-
32
.
-
-
,
-
.
-
,
-
.
4.1
I
View,
/
,
,
,
,
2000
2.0
ESRI
.
DARATECH Inc.
-
: ESRI, Leica Geo-
systems, IBM, SICAD Geomatics, Intergraph, GE Network
Solutions, AutoDesk, MapInfo
-
4.2-
.
,
-
.
,
?
(
. 4.3).
33
4.2
4.3.
34
.
-
,
.
43
-
,
12
.
.
-
,
-
-
60 %-
(
. 4.4).
3-5 %
.
4.4
35
(
. 4.5).
4.5.
,
-
-
.
,
-
-
View,
.
Daratech
("GIS Markets &
Opportunities 2000")
-
.
,
36
-
ESRI
.
:
-
58%;
- 49%;
-72 %;
-
50%;
-37 %.
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