本文论述了人和环境的关系。
This paper states relationship between human being and environment.
系统是组合或硬件、软件的相互关系，人和操作环境。
The system is the combination or interrelation of hardware, software, people, and the operating environment.
系统是组合或硬件、软件的相互关系，人和操作环境。
The system is the combination or interrelation of hardware, software, people, and the operating environment.
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