Based on the practice in TV center, discusses the measuring technology of digital video broadcast channel for master control system and some key points that should be paid enough attention to.
基于电视播出中心的工作实际，论述数字播出系统中数字视频通道的指标测量技术及应引起重视的若干要点。
Brain is the master control center of the body.
脑是身体的主要控制中心。
Brain is the master control center of the body.
脑是身体的主要控制中心。
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