Secondly project relevant background introduced the N-layer Architecturein software development, The software developer has put forward the concepts of 3-layers of structure in recent years.

其次项目的相关背景材料中介绍了软件开发的N-层体系结构，近年来软件开发商提出了3-层结构的概念。

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According to the imaging difference of target, background clutter and noise, a moving small target detection method based on spacial high-pass filtering and N-frame track accumulating is presented.

根据目标、背景干扰和噪声在红外序列图像中的差异，提出了一种基于空间高通滤波和时间域上N帧轨迹积累的运动小目标检测方法。

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Every Saturday morning I'm going through Stop 'n Shop and there's Nora Jones in the background playing.

每周六早上我去某商店的时候我都听到背景音乐是诺拉·琼斯的歌。

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Every Saturday morning I'm going through Stop 'N Shop and there's Nora Jones in the background playing.

每周六我都会路过"Stop 'N Shop"超市,那里总在放诺拉·琼斯的歌

耶鲁公开课 - 聆听音乐课程节选

First some background on the slightly less-than-illustrious history of this small, liberal arts college in Schenectady, N.

WSJ: Frozen Four: Dear Union College: I'm Sorry