numerical rating system造句

Gersh of Maxons uses a numerical rating system for jobs.
The system receives a special code in the broadcast signal which indicates the show's score according to a simple numerical rating system for violence, sex, and language.
The most likely system would be based on a numerical rating system that requires Web sites with questionable content to grade sex, language, nudity and violence on a scale from 0 ( nonexistent ) to 4 ( prevalent ).
It's difficult to find numerical rating system in a sentence. 用numerical rating system造句挺难的