House quality for waterproof result is closely related to waterproof material function, structure node design, construction quantity.
屋面防水效果的好坏与防水材料性能、构造节点设计、施工质量有着非常密切的关系。
In this paper, t he structure and software and hardware design of serial port node were emphasized.
重点阐述了该系统中串口节点的结构和软硬件设计。
The whole structure of the system was also introduced and the design method of node composing of physical layer and MAC layer protocol were given.
文章还介绍了系统的整体结构，针对系统的物理层节点构成、MAC层协议给出了具体的设计方法。
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