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。

youdao

And that in the case of constant volume, U in this case that's my delta u, and then I'll H add my little delta n term to get delta H.

这是在等体情形下，此时的到的是Δ,然后我可以加上Δn的项来得到Δ

麻省理工公开课 - 热力学与动力学课程节选

She recently broke up with her long-term boyfriend, N'Sync singer Justin Timberlake, and at the same time has had to cope with her parents separating.

BBC: Spears to take sabbatical

But when you look at his, you know, 14 years in Congress and secretary of energy under Bill Clinton, and U.N. ambassador and two-term governor of New Mexico, you know, you compare him to some others who may have less experience and say, well, this guy has in a lot of rounded - a well-rounded resume.

NPR: Richardson's Candidacy and Goodling's Testimony

Soumitra Dutta, 48, who has been at INSEAD for more than 20 years, will start his renewable five-year term at the Ithaca, N.

WSJ: New Dean Named at Cornell University's Samuel Curtis Johnson Graduate School of Management