| 704 / | HD | DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION | 
| 1 | DF | LINGUISTICS {4} | 
| 2 |  | .~ Translation machine {5} | 
| 3 | DF | .~.~> Having particular Input/Output device | 
| 4 | DF | .~.~> Based on phrase, clause, or idiom | 
| 5 | DF | .~.~> For partial translation | 
| 6 | DF | .~.~> Punctuation | 
| 7 | DF | .~.~> Storage or retrieval of data |