hsl-fx

from The Free On-line Dictionary of Computing (8 July 2008)
HSL-FX

   {Hierarchical Specification Language - Function Extension}
    
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
HSLFX
       Hierarchical Specification Language - Function Extension (HDL,
NTT, LSI), "HSL-FX"
       
    

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