The phrase "a revised system" is correct and usable in written English.
You can use it when referring to a system that has been updated or modified to improve its functionality or efficiency.
Example: "The company has implemented a revised system to streamline its operations and enhance productivity."
Alternatives: "an updated system" or "a modified system".
Since resolving questions of company base and origin will become a major concern when the agreement is in place, the government said that it would set up a revised system within the department of trade and industry for issuing certificates of origin.
Under a revised system, educators could be evaluated based on student test scores, but the criterion for success would not be the unrealistic goal of all students becoming proficient but that a teacher helped all students placed in his or her classroom regardless of how weak or strong the students were at the beginning of the year to make progress.
It also provides a revised system for classifying barriers to physicians' guideline adherence in general.
The revised system mirrors a recent state law that will require that four-tier evaluation scale to be used for all public school teachers statewide in the coming years.
Under the revised system, the two Wild Card teams play a one-game play-off, with the winner advancing to the best-of-five-games division series.
Comparing the revised system with the previous one, there was a significantly lower number of wrongly predicted patients using the revised system.
An argument could be made that the revised system has generated more interest in Nascar, an organization that has not needed to look for publicity.
Its revised system changes that.
The existing system was the revised system since 2002, prior to that the old system was used.
Under the revised system most of the applicants would have to work for 18 months as special constables first.
The findings contributed towards the subsequent development of the revised system (VAL V3), which was implemented in July 2014.
