The phrase "a system that produced" is correct and usable in written English.
You can use it when describing a system that has generated or created something in the past.
Example: "The research focused on a system that produced significant advancements in renewable energy technology."
Alternatives: "a system that generated" or "a system that created".
But after a few decades, policy makers opted for a system that produced a smaller number.
He writes, "The great famine occurred within a system that produced incentives for local officials to exaggerate production while the state monopoly stifled incentives for increasing production".
Here's how it worked: We wanted head-to-head matchups and a system that produced realistic scores 36-288 is typical).
We would once again have a system that produced liberal, moderate and conservative Republicans and Democrats, able to come together and govern.
Some voters said that they thought there was something vaguely undemocratic about a system that produced so many second- and third-generation politicians, but they said it lightly and did not seem much perturbed.
NEWARK — Shortly after landing at Malcolm X Shabazz High School as a Teach for America recruit, Dominique D. Lee grew disgusted with a system that produced ninth graders who could not name the seven continents or the governor of their state.
They're about protecting a system that produces cheap food.
Cool Energy, a startup based in Boulder, CO, is developing a system that produces heat and electricity from the sun.
Austrian voters may not mind them, but many politicians long for a system that produces clearer majorities.
At the University of Leeds in England, Dr. Kia Ng and his colleagues are refining a system that produces music based on stage movements picked up by a video camera.
As in so many other sports, we have created a system that produces not so much the best players, but the best players who can afford to play.
