Entity Framework won't define its own unique representation for the set of changes represented in an N-Tier application.

对于N层应用程序中所描述的更改集合，Entity Framework并无定义自己独特的表示法。

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Signal sparse representation or the optimal N-term approximation is one of the important problems, which is applied to many areas such as the data compression, denoising.

信号的稀疏表示或最佳n -项逼近是数据压缩、噪声抑制等众多应用中的一个重要问题。

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A multidimensional visualization technique that creates a 3d representation of n-dimensional data is proposed.

提出一种多维数据3d空间可视化方法。

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