em·pir·i·cal
adjective OPAL W
/ɪmˈpɪrɪkl/
/ɪmˈpɪrɪkl/
[usually before noun] (formal)- 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；经验性知识／研究 - an empirical study
经验式研究
Oxford Collocations DictionaryEmpirical is used with these nouns:- data
- enquiry
- evaluation
- …
- empirical evidence/knowledge/research