based on experiments or experience rather than ideas or theories 以实验（或经验）为依据的；经验主义的 empirical evidence/knowledge/research 实践经验的证明；从实际经验中获得的知识；以实验为基础的研究 an empirical study 经验式研究
Oxford Collocations DictionaryEmpirical is used with these nouns:- data
- enquiry
- evaluation
- …