Where does this definition of relay switchboard come from?
This entry for relay switchboard is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does relay switchboard appear elsewhere on Lughet?
Yes — relay switchboard 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.