通讯协定 tōng xùn xié dìng

DEFINITIONS

  1. communications protocol

CHARACTERS

通 tōng
HSK 4
pass through, common, communicate
讯 xùn
HSK 6
inquire; ask; examine; reproach
协 xié
HSK 6
be united; cooperate
定 dìng
HSK 3
decide, settle, fix