| English | eng-000 |
| CFL | |
| English | eng-000 | CAD Framework Laboratory |
| English | eng-000 | cable-fault locator |
| English | eng-000 | context-free language |
| English | eng-000 | current-flow line |
| français | fra-000 | LCF |
| русский | rus-000 | бесконтекстный язык |
| русский | rus-000 | линия тока |