To reduce file size and data-transfer speed, I went to my backup computer to search for open source utilities and found WinFF to convert files.
为了减少文件的大小和数据传输速度，我用我的备份计算机开始查找有无开源实用工具可用并找到了WinFF来转换文件。
To achieve high-speed data transmission, my study designs high-speed data transmission channel;
为实现高速数据传输，本文设计了高速数据传输通道；
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