英语语法分析

And that, teledata transfer are realized through Lines of Communication which is build-up by MODEM and Public Switched Telephone Network.

系统还利用由MODEM和公用电话交换网组成的通讯线路进行远程数据传输。

This paper researches achieving method of teledata collection system, including data collection, data transmission and data memory of system.

该文研究远程数据采集系统的实现方法，包括系统的数据采集部分、数据传输部分以及数据如何存储。