基础结构

According to acoustic structure theory base,acoustic principle of multi-holes acoustextile and nonwovens characteristics,nonwovens acoustic theory are analysed in the paper.

根据结构理论以及多孔材料机理,结合非织造布结构特点,系统分析了非织造布原理。

This article introduces the short message network structure of mobile and fixed-line network, and then describes the solution to the interwork between these networks.

本文以移动短信和固定短信网络结构为,重讨论移动短信和固定短信网络互联解决方案。