最后研究电子数据交换，主要应用于网络加密。
At last studying data exchange methodology which is used in network encryption.
XML技术的融入，使得不同计算机应用系统之间数据交换变得非常容易。
The XML makes it easy to exchange the data among different computer applied systems.
XML技术的融入，使得不同计算机应用系统之间数据交换变得非常容易。
The XML makes it easy to exchange the data among different computer applied systems.
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