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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The term localization is often abbreviated as l10n, because there are 10 letters between the "l" and the "n."

本地化这一术语常被缩写为 l10n，这是因为在字母 “l” 和 “n” 之间共有 10 个字母。

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