Humaninformationprocessingsystem can be divided into the following three subsystems: sensory information system, short-term memory system and long-term memory system.
人类的信息处理系统主要包括三个子系统—感觉信息系统，短时信息系统和长时信息系统。
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In Human Vision System, the optical signal is separated to brightness and chroma information, and they are processing differently. It is an important quality of Human Vision System.