| 普通话 | cmn-000 |
| 中频 | |
| 國語 | cmn-001 | 中頻 |
| Hànyǔ | cmn-003 | zhōng pín |
| Hànyǔ | cmn-003 | zhōngpǐn |
| English | eng-000 | IF |
| English | eng-000 | M.F. |
| English | eng-000 | MF |
| English | eng-000 | if |
| English | eng-000 | intermediae frequency |
| English | eng-000 | intermediate |
| English | eng-000 | intermediate frequency |
| English | eng-000 | mean frequency |
| English | eng-000 | median frequency |
| English | eng-000 | medium frequency |
| English | eng-000 | mf |
| English | eng-000 | mid frequency |
| English | eng-000 | mid-frequencymean frequency |
| English | eng-000 | mid-range frequency |
| English | eng-000 | midband |
| English | eng-000 | middle frequency |
| English | eng-000 | midfrequency |
| русский | rus-000 | промежуточная частота |
| ئۇيغۇرچە | uig-000 | ئوتتۇرا چاستوتا |
| Uyghurche | uig-001 | ottura chastota |