1. 
   TTCN
   Tree and Tabular Combined Notation
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   TTCN
   Tree and Tabular Combined Notation. ETSI and ITU standard notation used to define a communications protocol, mainly for test purposes. Has some parallels with CORBA IDL.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   TTCN
   TTCN is a programming language used for testing of communication protocols and web services. A TTCN test suite consists of many test cases written in the TTCN programming language. Until version 2 the language was written in tables and called Tree and Tabular Combined Notation. Reading and editing ...
   Found op http://en.wikipedia.org/wiki/TTCN
   
   
4. 
   ttcn
   1) Tree and tabular combined notation
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/ttcn/1
   
   

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