There are several synonyms that can be used in place of "augmentation research center" depending on the specific context. One option is "enhancement research facility," which conveys a similar meaning of focusing on improving or upgrading certain qualities or capabilities. Another option might be "amplification research lab," which emphasizes the idea of amplifying or boosting something. "Expansion research center" could also be a suitable synonym if the focus is on increasing the size or scope of a certain area. "Intensification research institute" is another possibility, emphasizing the idea of intensifying or strengthening certain aspects. Ultimately, the best synonym will depend on the specific goals and purpose of the research center in question.