| English | eng-000 |
| synchronous circuit | |
| 普通话 | cmn-000 | 同步电路 |
| English | eng-000 | lock circuit |
| English | eng-000 | lock-on circuit |
| English | eng-000 | locking circuit |
| English | eng-000 | sync circuit |
| English | eng-000 | synchrodyne circuit |
| English | eng-000 | synchronizing circuit |
| русский | rus-000 | схема синхронизации |