90 
systems is greater than that of any other 
photogrammetric system, and the expansion 
of functions is mostly a matter of software 
development. The users can actually build 
their own processing systems tailored to 
their needs. This fact combined with the ver- 
satility of on-line analytical systems make 
them extremely attractive for close range ap- 
plications, especially in biomedicine and en- 
gineering. One can expect a significant future 
development in these fields. 
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