1, conference sound: conference sound system, mainly used for sound reinforcement of conferences, trainings, lectures, etc. 2. Theatre speakers are used for sound effects in the theatre.
"Hui" is a Chinese character, and its pinyin is hu ? y ?, which means organized, led and purposeful deliberation activities. It is carried out in a limited time and place according to certain procedures. Meetings generally include three elements: discussion, decision-making and action.
First, it is best to be a teacher in an education and training institution, or go to a private school and have an introduction of experience. (I