The frame at the far right has been compressed slightly to bring into view an intriguing interacting pair of background galaxies.
在画面最右侧的部分略微有所压缩，好让你能看到背景上引人注目的相互作用的一对星系。
View compressed files with zcat.
用zcat查看压缩的文件。
The compressed air system still need to stand in the overall energy-saving system energy saving point of view, more attention to end the gas equipment.
压缩空气系统的整体节能还需要站在系统节能的角度，更多地关注末端用气设备。
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