Where does this definition of surveillance radar come from?
This entry for surveillance radar is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does surveillance radar appear elsewhere on Lughet?
Yes — surveillance radar appears under other sources or language pairs in Lughet's collection. See the list below.
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.