本标准规定了设计阶段的布线系统设计和包装要求。
This standard addresses wiring system design and packaging requirements during the design process.
DP控制系统布线简单、维修方便，运行可靠，达到了设计要求。
The Profibus-DP control system is simple in wiring, convenient in maintenance and reliable in operation. The system meets the design requirements.
印刷电路板设计主要包括了系统尺寸规划、板层规划和布线设计等等。
PCB design mostly includes the system's size programming, board layer programming and routing design.
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