Time Varying System

* 1zamanla değişen sistem
English Related Words* 12 hour time format
* 12-hour time format
* 12-tone system
* 24 hour time format
* 24-hour time format
* a bad time
* a hard time
* a long time ago
* a rough time
* a rough time of it
* a short time since
* a time to weep and a time to laugh
* a tough time of it
* abo blood group system
* abo system