Where does this definition of 地质年代测定地球年龄测定 come from?
This entry for 地质年代测定地球年龄测定 is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.