工程师在分析一种建筑问题时，就已决定该用何种结构系统。
The engineer's analysis of a building problem determines the structural system to be used.
介绍了人机工程设计数据库系统的结构和功能特点、运行条件。
This paper introduces the structure, the function and the running condition of human engineering data_base system.
介绍了人机工程设计数据库系统的结构和功能特点、运行条件。
This paper introduces the structure, the function and the running condition of human engineering data_base system.
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