research based education

What exactly does it mean to have a research based education? I am currently looking at the differentiation between csu and uc system and everyone says the biggest difference is that uc system is researcg based, what exactly does this mean? thanks everyone

Here is a great thread on CSU’s vs UC’s. http://talk.collegeconfidential.com/california-state-university-general/1531670-csu-vs-uc-advantages-the-csu-system-has.html#latest