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单词 Back scattering
释义

Back scattering

原声例句
哈利波特与阿兹卡班的囚徒

Now it was galloping around and around the black shapes on the ground, and the Dementors were falling back, scattering, retreating into the darkness.

现在它围绕着地面上黑色的形体一圈圈地跑着,摄魂怪后退、溃散、隐入黑暗之中。

3.哈利波特与阿兹卡班囚徒

Now it was galloping around and around the black shapes on the ground, and the dementors were falling back, scattering, retreating into the darkness.... They were gone.

现在它围绕着地面上黑色的形体一圈圈地跑着,摄魂怪后退、溃散、隐入黑暗之中..它们走了。

英语百科

Backscatter

Backscatter in photography

In physics, backscatter (or backscattering) is the reflection of waves, particles, or signals back to the direction from which they came. It is a diffuse reflection due to scattering, as opposed to specular reflection like a mirror. Backscattering has important applications in astronomy, photography and medical ultrasonography.

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更新时间:2025/6/23 18:32:28