防火长城 (fánghuǒ chángchéng):This term refers to the "Great Firewall," which is a system used by the Chinese government to control and censor internet content.
关键字过滤器 (guānjiàn zì gùlǜqì):This term refers to a keyword filter, which is a tool used to block or filter out specific words or phrases from online content.
监管 (jiānguǎn): This term means "regulation" and refers to the act of overseeing and controlling certain activities or industries.