它是空气压缩机前级的专用理想设备，推广使用可获得良好的综合效益。

The filter is a good special apparatus of air Compressor front stage. It will produce the best effect.

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采用稳幅器件有效地提高了输出能量的稳定性，放大前级的输出能量波动的均方根值从4%左右降到1%以下。

Stabilization is achieved by adopting an amplitude stabilizer. The root mean square (RMS) of energy output is lowered from about 4% to below 1%.

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这是十年前的你，还是曾经那个女孩。我坐在七年级的教室里，凝视着外面。

This is you from ten years ago, the same girl that you used to be. I am sitting in my grade seven classroom, staring outside.

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