background projection meaning in Chinese
背景放映（合成摄影）
背景放映法[ 将静止的或运动的影像放映在一块半透明或反射银幕上，此银幕作为背景，
背景投影
背景投映
Examples
- Collects the fine conference interior facility to be complete , has the small conference and the multi - purpose assembly halls , the multi - purpose assembly halls may continue 150 human of medium conferences and conduct the large - scale activity , provides the specialized sound , the ultra big background projection , is holds the banquet and the conference place of first choice
汇嘉会议内部设施齐全，有小型会议及多功能会议厅，多功能会议厅可承接150人的中型会议和举办大型活动，配备专业音响，超大背景投影，是举办宴会和会议的首选之地。