back noise

基本解释

For starters, it takes cutting back the noise.
首先，要降低它的噪音。
The mountains echoed back the noise of the shot.
从山那边传来了枪声的回响。
The final conclusion is: edge technique has high signal to noise ratio, small statistical errors, large measuring range in high accuracy, and can prevent back ground noise in some way.
结论是：边缘探测技术具有高信噪比，很小的测量误差，较大的高精度测量范围，并对背景噪声有一定的抵抗作用。

These include hearing a roaring or sucking noise, seeing the ocean suddenly pull back or rise, or feeling a strong earthquake that lasts more than twenty seconds.

If you abuse this tactical messaging technique it will no longer become unexpected and thus, fall back into the noise of everything else.
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And when wires are close together, the magnetic fields invade the territory of the adjacent wires and send noise back and forth across the lines.
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Their bench made a screeching noise as it slid back across the wooden floor.
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