Data compression is used for the outputted file to decrease the size of file and to make it easy for network transmission.

数据压缩是用于输出的文件，以减少大小的文件，并以方便网络传输。

youdao

A method and apparatus for signal processing which enable data compression and recovery with high transmission efficiency are disclosed.

公开了能够实现具有高传输效率的数据压缩和恢复的信号处理方法和装置。

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For different applications, the compression, store and transmission of video data use different formats and standards.

在各个具体应用环境中，视频数据的压缩、存档、传输采用了不同的格式和标准。

youdao

But by using compression software and getting Galileo to record data on its tape-recorder for later transmission, almost all of the probe's objectives have still been achieved.

ECONOMIST: The long arm of the celestial repairman