switching control center system造句

Verizon operations include a small DMS-100 switching system and a Switching Control Center System.
The "'Switching Control Center System "'was an operations support system developed by Bell Laboratories and deployed during the early 1970s.
In the late 1970s, teleprinter channels were gathered together in Switching Control Centers ( SCC ), later Switching Control Center System, each serving a dozen or more 1ESS exchanges and using their own computers to analyze these and other kinds of failure reports.
OSS systems used in the Bell System include AMATPS, CSOBS, EADAS, Remote Memory Administration System ( RMAS ), Switching Control Center System ( SCCS ), Service Evaluation System ( SES ), Trunks Integrated Record Keeping System ( TIRKS ), and many more.
It's difficult to find switching control center system in a sentence. 用switching control center system造句挺难的