automatic tuning system
DTMFdigital tuning system
tuning system parameters
Self-tuning Control System
Tuning up and monitoring system
positive list system system
inter-backup system for central control system and district-level dispatch system
Single school system; Single track system; Unitary school system
Single track system; Single school system; Unitary school system
Unitary school system; Single school system; Single track system
flat-tuning (=broad tuning)
7-year system switching to 8-year system
Accounting environment Accounting theoretical system Accounting standards system